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About: Åkermanite
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It is a product of contact metamorphism of siliceous limestones and dolomites, and rocks of sanidinite facies. Sanidinite facies represent the highest conditions of temperature of contact metamorphism and are characterized by the absence of hydrous minerals. It has a density of 2.944 g/cm3. Åkermanite ranks a 5 or 6 on the Mohs scale of mineral hardness, and can be found gray, green, brown, or colorless. It has a white streak and a vitreous or resinous luster. It has a tetragonal crystal system and a good, or distinct, cleavage. It is the end member in a solid solution series beginning with gehlenite (Ca2Al[AlSiO7])." /> <meta property="og:site_name" content="DBpedia" /> <!-- /OpenGraph--> </head> <body about="http://dbpedia.org/resource/Åkermanite"> <!-- navbar --> <nav class="navbar navbar-expand-md navbar-light bg-light fixed-top align-items-center"> <div class="container-xl"> <a class="navbar-brand" href="http://wiki.dbpedia.org/about" title="About DBpedia" style="color: #2c5078"> <img class="img-fluid" src="/statics/images/dbpedia_logo_land_120.png" alt="About DBpedia" /> </a> <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#dbp-navbar" aria-controls="dbp-navbar" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="dbp-navbar"> <ul class="navbar-nav me-auto mb-2 mb-lg-0"> <li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownBrowse" 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endpoint"><i class="bi-box-arrow-up-right"></i> Sparql Endpoint </a> </li> </ul> </div> </div> </nav> <div style="margin-bottom: 60px"></div> <!-- /navbar --> <!-- page-header --> <section> <div class="container-xl"> <div class="row"> <div class="col"> <h1 id="title" class="display-6"><b>About:</b> <a href="http://dbpedia.org/resource/Åkermanite">Åkermanite</a> </h1> </div> </div> <div class="row"> <div class="col"> <div class="text-muted"> <span class="text-nowrap">An Entity of Type: <a href="http://dbpedia.org/ontology/Mineral">mineral</a>, </span> <span class="text-nowrap">from Named Graph: <a href="http://dbpedia.org">http://dbpedia.org</a>, </span> <span class="text-nowrap">within Data Space: <a href="http://dbpedia.org">dbpedia.org</a></span> </div> </div> </div> <div class="row pt-2"> <div class="col-xs-9 col-sm-10"> <p class="lead">Åkermanite (Ca2Mg[Si2O7]) is a melilite mineral of the sorosilicate group, containing calcium, magnesium, silicon, and oxygen. It is a product of contact metamorphism of siliceous limestones and dolomites, and rocks of sanidinite facies. Sanidinite facies represent the highest conditions of temperature of contact metamorphism and are characterized by the absence of hydrous minerals. It has a density of 2.944 g/cm3. Åkermanite ranks a 5 or 6 on the Mohs scale of mineral hardness, and can be found gray, green, brown, or colorless. It has a white streak and a vitreous or resinous luster. It has a tetragonal crystal system and a good, or distinct, cleavage. It is the end member in a solid solution series beginning with gehlenite (Ca2Al[AlSiO7]).</p> </div> <div class="col-xs-3 col-sm-2"> <a href="#" class="thumbnail"> <img src="http://commons.wikimedia.org/wiki/Special:FilePath/%C3%85kermanite,_Calcite,_Hillebrandite,_Tilleyite_-_Mineralogisches_Museum_Bonn1.jpg?width=300" alt="thumbnail" class="img-fluid" /> </a> </div> </div> </div> </section> <!-- page-header --> <!-- property-table --> <section> <div class="container-xl"> <div class="row"> <div class="table-responsive"> <table class="table table-hover table-sm table-light"> <thead> <tr> <th class="col-xs-3 ">Property</th> <th class="col-xs-9 px-3">Value</th> </tr> </thead> <tbody> <tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/abstract"><small>dbo:</small>abstract</a> </td><td class="col-10 text-break"><ul> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="ca" >L'åkermanita, amb sinònims 'oakkermanita' i 'okermanita' , és un mineral de la classe dels silicats, del grup de la melilita. Va ser nomenada així en honor d', un metal·lúrgic suec.</span><small> (ca)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="de" >Åkermanit ist ein selten vorkommendes Mineral aus der Mineralklasse der „Silikate und Germanate“. Es kristallisiert im tetragonalen Kristallsystem mit der chemischen Zusammensetzung Ca2Mg[4][Si2O7] und ist damit chemisch gesehen ein Calcium-Magnesium-Silikat. Strukturell gehört Åkermanit zu den Gruppensilikaten. Åkermanit entwickelt meist kurzprismatische bis dünntafelige Kristalle, aber auch körnige bis massige Mineral-Aggregate sowie Durchkreuzungszwillinge. In reiner Form ist er farblos und durchsichtig. Durch vielfache Lichtbrechung aufgrund von Gitterbaufehlern oder polykristalliner Ausbildung kann er aber auch weiß erscheinen und durch Fremdbeimengungen eine gelblichgraue, grüne oder braune Farbe annehmen, wobei die Transparenz entsprechend abnimmt. Mit Gehlenit (Ca2Al[4][AlSiO7]) bildet Åkermanit eine lückenlose Mischkristall-Reihe, wobei zwischen den beiden Endgliedern eine gekoppelte Substitution von Al3+Al3+ durch Mg2+Si4+ stattfindet. Zusätzlich können Anteile des Calciums durch Natrium und Kalium, Magnesium durch zweiwertiges Eisen und Aluminium durch dreiwertiges Eisen ersetzt sein.</span><small> (de)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="eu" >Åkermanita (Ca2Mg[Si2O7]) taldeko sorosilikato bat da. Kaltzioa, magnesioa, silizio eta oxigenoa du. Siliziodun kareharrien eta dolomiten eta arroken kontktu metamorfikoaren ondorioa da. Sanidinita faziesa da mineral hidrikorik gabe ematen den tenperatura altueneko metamorfismoaren adierazgarria. 2.944 g/cm3ko dentsitatea du. Åkemanitaren gogortasuna Mohs eskalan 5 eta 6 bitartekoa da, eta aurki daiteke kolore gris, berde, marroi edo kolorgeetan. Marra zuria du eta distira bitrosoa edo erretxinotsua. Sistema kristalino tetragonalean kristaltzen du eta fraktura ona eta bereizgarria du. Gehlenitan (Ca2Al[AlSiO2]) hasten den soluzio solido baten muturra da. Mineralak suediar metalurgikoaren izena darama. Vesuvioan eta zein Erromatik gertu dagoen aurkitua izan da.</span><small> (eu)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="es" >La oakermanita, con sinónimos åkermanita y okermanita, es un mineral de la clase sorosilicatos, del grupo de la melilita. Forma una serie de solución sólida con la gehlenita, sustituyendo gradualmente el magnesio por aluminio. Fue descrita por el mineralogista Vogt en 1884 y fue nombrado en reconocimiento al metalúrgico sueco (1837-1922). El topotipo es el monte Somma, en el complejo volcánico Somma-Vesubio, Nápoles, en Campania (Italia).</span><small> (es)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="fr" >L’akermanite est une espèce minérale du groupe des silicates sous-groupe des sorosilicates de formule Ca2 Mg Si2 O7 avec des traces : Ti;Al;Fe;Mn;Zn;Na.</span><small> (fr)</small></span></li> <li><span class="literal"><span property="dbo:abstract" lang="en" >Åkermanite (Ca2Mg[Si2O7]) is a melilite mineral of the sorosilicate group, containing calcium, magnesium, silicon, and oxygen. It is a product of contact metamorphism of siliceous limestones and dolomites, and rocks of sanidinite facies. Sanidinite facies represent the highest conditions of temperature of contact metamorphism and are characterized by the absence of hydrous minerals. It has a density of 2.944 g/cm3. Åkermanite ranks a 5 or 6 on the Mohs scale of mineral hardness, and can be found gray, green, brown, or colorless. It has a white streak and a vitreous or resinous luster. It has a tetragonal crystal system and a good, or distinct, cleavage. It is the end member in a solid solution series beginning with gehlenite (Ca2Al[AlSiO7]). The mineral is named for (1837–1922), a Swedish metallurgist. It has been found at Monte Somma and Vesuvius, and near Rome. It was "grandfathered" in as a species of mineral because it was described prior to 1959, before the founding of the International Mineralogical Association.</span><small> (en)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="it" >L'åkermanite è un minerale appartenente al gruppo della melilite.</span><small> (it)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="sv" >Åkermanit, Ca2Mg(Si2O7), är ett mineral i melilitgruppen, som innehåller kalcium, magnesium, kisel och syre. Mineralet utgör det ena ändledet i en kontinuerlig räcka med Gehlenit Ca2Al(AlSiO7) där mellanlededet har kallats melilit. Mineralet åkermanit är uppkallat efter Anders Richard Åkerman (1837-1922), en svenska metallurg.</span><small> (sv)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="uk" >Акермані́т, окермані́т — мінерал, силікат кальцію і магнію, ізоморфний з геленітом та мелілітом. Належить до групи меліліту.</span><small> (uk)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/thumbnail"><small>dbo:</small>thumbnail</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="dbo:thumbnail" resource="http://commons.wikimedia.org/wiki/Special:FilePath/Åkermanite,_Calcite,_Hillebrandite,_Tilleyite_-_Mineralogisches_Museum_Bonn1.jpg?width=300" href="http://commons.wikimedia.org/wiki/Special:FilePath/Åkermanite,_Calcite,_Hillebrandite,_Tilleyite_-_Mineralogisches_Museum_Bonn1.jpg?width=300"><small>wiki-commons</small>:Special:FilePath/Åkermanite,_Calcite,_...alogisches_Museum_Bonn1.jpg?width=300</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/wikiPageID"><small>dbo:</small>wikiPageID</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbo:wikiPageID" datatype="xsd:integer" 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href="http://dbpedia.org/resource/Magnesium"><small>dbr</small>:Magnesium</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Streak_(mineralogy)" href="http://dbpedia.org/resource/Streak_(mineralogy)"><small>dbr</small>:Streak_(mineralogy)</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Cleavage_(crystal)" href="http://dbpedia.org/resource/Cleavage_(crystal)"><small>dbr</small>:Cleavage_(crystal)</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Magnesium_minerals" href="http://dbpedia.org/resource/Category:Magnesium_minerals"><small>dbc</small>:Magnesium_minerals</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Dolomite_(rock)" href="http://dbpedia.org/resource/Dolomite_(rock)"><small>dbr</small>:Dolomite_(rock)</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Sorosilicates" href="http://dbpedia.org/resource/Category:Sorosilicates"><small>dbc</small>:Sorosilicates</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Oxygen" href="http://dbpedia.org/resource/Oxygen"><small>dbr</small>:Oxygen</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Tetragonal_minerals" href="http://dbpedia.org/resource/Category:Tetragonal_minerals"><small>dbc</small>:Tetragonal_minerals</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Calcium_minerals" href="http://dbpedia.org/resource/Category:Calcium_minerals"><small>dbc</small>:Calcium_minerals</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Sweden" href="http://dbpedia.org/resource/Sweden"><small>dbr</small>:Sweden</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Contact_metamorphism" href="http://dbpedia.org/resource/Contact_metamorphism"><small>dbr</small>:Contact_metamorphism</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/End_member" href="http://dbpedia.org/resource/End_member"><small>dbr</small>:End_member</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Lustre_(mineralogy)" href="http://dbpedia.org/resource/Lustre_(mineralogy)"><small>dbr</small>:Lustre_(mineralogy)</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Silicon" href="http://dbpedia.org/resource/Silicon"><small>dbr</small>:Silicon</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Tetragonal" href="http://dbpedia.org/resource/Tetragonal"><small>dbr</small>:Tetragonal</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/H-M_symbol" href="http://dbpedia.org/resource/H-M_symbol"><small>dbr</small>:H-M_symbol</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Solid_solution" href="http://dbpedia.org/resource/Solid_solution"><small>dbr</small>:Solid_solution</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Sorosilicates" href="http://dbpedia.org/resource/Sorosilicates"><small>dbr</small>:Sorosilicates</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Sorosilicate" href="http://dbpedia.org/resource/Sorosilicate"><small>dbr</small>:Sorosilicate</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Foshagite" href="http://dbpedia.org/resource/Foshagite"><small>dbr</small>:Foshagite</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Hillebrandite" href="http://dbpedia.org/resource/Hillebrandite"><small>dbr</small>:Hillebrandite</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Tilleyite" href="http://dbpedia.org/resource/Tilleyite"><small>dbr</small>:Tilleyite</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Anders_Richard_Åkerman" href="http://dbpedia.org/resource/Anders_Richard_Åkerman"><small>dbr</small>:Anders_Richard_Åkerman</a></span></li> <li><span class="literal"><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Monte_Cavalluccio" href="http://dbpedia.org/resource/Monte_Cavalluccio"><small>dbr</small>:Monte_Cavalluccio</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/birefringence"><small>dbp:</small>birefringence</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:birefringence" lang="en" >δ = 0.008</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/caption"><small>dbp:</small>caption</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:caption" lang="en" >Åkermanite , calcite , foshagite , tilleyite</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/category"><small>dbp:</small>category</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="dbp:category" resource="http://dbpedia.org/resource/Sorosilicates" href="http://dbpedia.org/resource/Sorosilicates"><small>dbr</small>:Sorosilicates</a></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/class"><small>dbp:</small>class</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:class" lang="en" >H-M symbol:</span><small> (en)</small></span></li> <li><span class="literal"><span property="dbp:class" lang="en" >Scalenohedral</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/cleavage"><small>dbp:</small>cleavage</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:cleavage" lang="en" >Distinct on {001}, poor on {110}</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/color"><small>dbp:</small>color</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:color" lang="en" >Colorless, yellowish gray, green, brown</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/dana"><small>dbp:</small>dana</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:dana" datatype="xsd:double" >55.400000</span><small> (xsd:double)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/diaphaneity"><small>dbp:</small>diaphaneity</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:diaphaneity" lang="en" >Transparent, translucent</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/formula"><small>dbp:</small>formula</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:formula" lang="en" >Ca2Mg</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/fracture"><small>dbp:</small>fracture</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:fracture" lang="en" >Irregular/ uneven, conchoidal</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/gravity"><small>dbp:</small>gravity</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:gravity" datatype="xsd:double" >2.944000</span><small> (xsd:double)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/imagesize"><small>dbp:</small>imagesize</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:imagesize" datatype="xsd:integer" >260</span><small> (xsd:integer)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/imasymbol"><small>dbp:</small>imasymbol</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:imasymbol" lang="en" >Åk</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/luster"><small>dbp:</small>luster</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:luster" lang="en" >Vitreous, resinous</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/mohs"><small>dbp:</small>mohs</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:mohs" datatype="xsd:integer" >5</span><small> (xsd:integer)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/name"><small>dbp:</small>name</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:name" lang="en" >Åkermanite</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/opticalprop"><small>dbp:</small>opticalprop</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:opticalprop" lang="en" >Uniaxial</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/refractive"><small>dbp:</small>refractive</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:refractive" lang="en" >nω = 1.632 nε = 1.640</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/streak"><small>dbp:</small>streak</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:streak" lang="en" >White</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/strunz"><small>dbp:</small>strunz</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:strunz" datatype="xsd:integer" >9</span><small> (xsd:integer)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/symmetry"><small>dbp:</small>symmetry</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:symmetry" datatype="dbd:second" >1260.0</span></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/system"><small>dbp:</small>system</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="dbp:system" resource="http://dbpedia.org/resource/Tetragonal_crystal_system" href="http://dbpedia.org/resource/Tetragonal_crystal_system"><small>dbr</small>:Tetragonal_crystal_system</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/tenacity"><small>dbp:</small>tenacity</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:tenacity" lang="en" >Brittle</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/unitCell"><small>dbp:</small>unitCell</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="dbp:unitCell" lang="en" >a = 7.8288</span><small> (en)</small></span></li> <li><span class="literal"><span property="dbp:unitCell" lang="en" >c = 5.0052 [Å]; Z = 2</span><small> (en)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/wikiPageUsesTemplate"><small>dbp:</small>wikiPageUsesTemplate</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Overline" href="http://dbpedia.org/resource/Template:Overline"><small>dbt</small>:Overline</a></span></li> <li><span class="literal"><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Wiktionary" href="http://dbpedia.org/resource/Template:Wiktionary"><small>dbt</small>:Wiktionary</a></span></li> <li><span class="literal"><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Infobox_mineral" href="http://dbpedia.org/resource/Template:Infobox_mineral"><small>dbt</small>:Infobox_mineral</a></span></li> <li><span class="literal"><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Silicate-mineral-stub" href="http://dbpedia.org/resource/Template:Silicate-mineral-stub"><small>dbt</small>:Silicate-mineral-stub</a></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://purl.org/dc/terms/subject"><small>dcterms:</small>subject</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="dcterms:subject" resource="http://dbpedia.org/resource/Category:Minerals_in_space_group_113" prefix="dcterms: http://purl.org/dc/terms/" href="http://dbpedia.org/resource/Category:Minerals_in_space_group_113"><small>dbc</small>:Minerals_in_space_group_113</a></span></li> <li><span class="literal"><a class="uri" rel="dcterms:subject" resource="http://dbpedia.org/resource/Category:Magnesium_minerals" prefix="dcterms: http://purl.org/dc/terms/" href="http://dbpedia.org/resource/Category:Magnesium_minerals"><small>dbc</small>:Magnesium_minerals</a></span></li> <li><span class="literal"><a class="uri" rel="dcterms:subject" resource="http://dbpedia.org/resource/Category:Sorosilicates" prefix="dcterms: http://purl.org/dc/terms/" href="http://dbpedia.org/resource/Category:Sorosilicates"><small>dbc</small>:Sorosilicates</a></span></li> <li><span class="literal"><a class="uri" rel="dcterms:subject" resource="http://dbpedia.org/resource/Category:Tetragonal_minerals" prefix="dcterms: http://purl.org/dc/terms/" href="http://dbpedia.org/resource/Category:Tetragonal_minerals"><small>dbc</small>:Tetragonal_minerals</a></span></li> <li><span class="literal"><a class="uri" rel="dcterms:subject" resource="http://dbpedia.org/resource/Category:Calcium_minerals" prefix="dcterms: http://purl.org/dc/terms/" href="http://dbpedia.org/resource/Category:Calcium_minerals"><small>dbc</small>:Calcium_minerals</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://purl.org/linguistics/gold/hypernym"><small>gold:</small>hypernym</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="gold:hypernym" resource="http://dbpedia.org/resource/Mineral" prefix="gold: http://purl.org/linguistics/gold/" href="http://dbpedia.org/resource/Mineral"><small>dbr</small>:Mineral</a></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://www.w3.org/1999/02/22-rdf-syntax-ns#type"><small>rdf:</small>type</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://www.w3.org/2002/07/owl#Thing" href="http://www.w3.org/2002/07/owl#Thing"><small>owl</small>:Thing</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#ChemicalObject" href="http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#ChemicalObject"><small>dul</small>:ChemicalObject</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/ontology/ChemicalSubstance" href="http://dbpedia.org/ontology/ChemicalSubstance"><small>dbo</small>:ChemicalSubstance</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://www.wikidata.org/entity/Q7946" href="http://www.wikidata.org/entity/Q7946"><small>wikidata</small>:Q7946</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/ontology/Mineral" href="http://dbpedia.org/ontology/Mineral"><small>dbo</small>:Mineral</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/WikicatCalciumMinerals" href="http://dbpedia.org/class/yago/WikicatCalciumMinerals"><small>yago</small>:WikicatCalciumMinerals</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/WikicatMagnesiumMinerals" href="http://dbpedia.org/class/yago/WikicatMagnesiumMinerals"><small>yago</small>:WikicatMagnesiumMinerals</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/WikicatMinerals" href="http://dbpedia.org/class/yago/WikicatMinerals"><small>yago</small>:WikicatMinerals</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/WikicatTetragonalMinerals" href="http://dbpedia.org/class/yago/WikicatTetragonalMinerals"><small>yago</small>:WikicatTetragonalMinerals</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/WikicatSilicateMinerals" href="http://dbpedia.org/class/yago/WikicatSilicateMinerals"><small>yago</small>:WikicatSilicateMinerals</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/WikicatSilicates" href="http://dbpedia.org/class/yago/WikicatSilicates"><small>yago</small>:WikicatSilicates</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Abstraction100002137" href="http://dbpedia.org/class/yago/Abstraction100002137"><small>yago</small>:Abstraction100002137</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Chemical114806838" href="http://dbpedia.org/class/yago/Chemical114806838"><small>yago</small>:Chemical114806838</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Compound114818238" href="http://dbpedia.org/class/yago/Compound114818238"><small>yago</small>:Compound114818238</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Material114580897" href="http://dbpedia.org/class/yago/Material114580897"><small>yago</small>:Material114580897</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Matter100020827" href="http://dbpedia.org/class/yago/Matter100020827"><small>yago</small>:Matter100020827</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Mineral114662574" href="http://dbpedia.org/class/yago/Mineral114662574"><small>yago</small>:Mineral114662574</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Part113809207" href="http://dbpedia.org/class/yago/Part113809207"><small>yago</small>:Part113809207</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/PhysicalEntity100001930" href="http://dbpedia.org/class/yago/PhysicalEntity100001930"><small>yago</small>:PhysicalEntity100001930</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Relation100031921" href="http://dbpedia.org/class/yago/Relation100031921"><small>yago</small>:Relation100031921</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Salt115010703" href="http://dbpedia.org/class/yago/Salt115010703"><small>yago</small>:Salt115010703</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Silicate115040033" href="http://dbpedia.org/class/yago/Silicate115040033"><small>yago</small>:Silicate115040033</a></span></li> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://dbpedia.org/class/yago/Substance100019613" href="http://dbpedia.org/class/yago/Substance100019613"><small>yago</small>:Substance100019613</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://www.w3.org/2000/01/rdf-schema#comment"><small>rdfs:</small>comment</a> </td><td class="col-10 text-break"><ul> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="ca" >L'åkermanita, amb sinònims 'oakkermanita' i 'okermanita' , és un mineral de la classe dels silicats, del grup de la melilita. Va ser nomenada així en honor d', un metal·lúrgic suec.</span><small> (ca)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="es" >La oakermanita, con sinónimos åkermanita y okermanita, es un mineral de la clase sorosilicatos, del grupo de la melilita. Forma una serie de solución sólida con la gehlenita, sustituyendo gradualmente el magnesio por aluminio. Fue descrita por el mineralogista Vogt en 1884 y fue nombrado en reconocimiento al metalúrgico sueco (1837-1922). El topotipo es el monte Somma, en el complejo volcánico Somma-Vesubio, Nápoles, en Campania (Italia).</span><small> (es)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="fr" >L’akermanite est une espèce minérale du groupe des silicates sous-groupe des sorosilicates de formule Ca2 Mg Si2 O7 avec des traces : Ti;Al;Fe;Mn;Zn;Na.</span><small> (fr)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="it" >L'åkermanite è un minerale appartenente al gruppo della melilite.</span><small> (it)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="sv" >Åkermanit, Ca2Mg(Si2O7), är ett mineral i melilitgruppen, som innehåller kalcium, magnesium, kisel och syre. Mineralet utgör det ena ändledet i en kontinuerlig räcka med Gehlenit Ca2Al(AlSiO7) där mellanlededet har kallats melilit. Mineralet åkermanit är uppkallat efter Anders Richard Åkerman (1837-1922), en svenska metallurg.</span><small> (sv)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="uk" >Акермані́т, окермані́т — мінерал, силікат кальцію і магнію, ізоморфний з геленітом та мелілітом. Належить до групи меліліту.</span><small> (uk)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="de" >Åkermanit ist ein selten vorkommendes Mineral aus der Mineralklasse der „Silikate und Germanate“. Es kristallisiert im tetragonalen Kristallsystem mit der chemischen Zusammensetzung Ca2Mg[4][Si2O7] und ist damit chemisch gesehen ein Calcium-Magnesium-Silikat. Strukturell gehört Åkermanit zu den Gruppensilikaten.</span><small> (de)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="eu" >Åkermanita (Ca2Mg[Si2O7]) taldeko sorosilikato bat da. Kaltzioa, magnesioa, silizio eta oxigenoa du. Siliziodun kareharrien eta dolomiten eta arroken kontktu metamorfikoaren ondorioa da. Sanidinita faziesa da mineral hidrikorik gabe ematen den tenperatura altueneko metamorfismoaren adierazgarria. 2.944 g/cm3ko dentsitatea du. Åkemanitaren gogortasuna Mohs eskalan 5 eta 6 bitartekoa da, eta aurki daiteke kolore gris, berde, marroi edo kolorgeetan. Marra zuria du eta distira bitrosoa edo erretxinotsua. Sistema kristalino tetragonalean kristaltzen du eta fraktura ona eta bereizgarria du. Gehlenitan (Ca2Al[AlSiO2]) hasten den soluzio solido baten muturra da.</span><small> (eu)</small></span></li> <li><span class="literal"><span property="rdfs:comment" lang="en" >Åkermanite (Ca2Mg[Si2O7]) is a melilite mineral of the sorosilicate group, containing calcium, magnesium, silicon, and oxygen. It is a product of contact metamorphism of siliceous limestones and dolomites, and rocks of sanidinite facies. Sanidinite facies represent the highest conditions of temperature of contact metamorphism and are characterized by the absence of hydrous minerals. It has a density of 2.944 g/cm3. Åkermanite ranks a 5 or 6 on the Mohs scale of mineral hardness, and can be found gray, green, brown, or colorless. It has a white streak and a vitreous or resinous luster. It has a tetragonal crystal system and a good, or distinct, cleavage. It is the end member in a solid solution series beginning with gehlenite (Ca2Al[AlSiO7]).</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://www.w3.org/2000/01/rdf-schema#label"><small>rdfs:</small>label</a> </td><td class="col-10 text-break"><ul> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="ca" >Åkermanita</span><small> (ca)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="de" >Åkermanit</span><small> (de)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="eu" >Åkermanita</span><small> (eu)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="es" >Oakermanita</span><small> (es)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="it" >Åkermanite</span><small> (it)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="fr" >Akermanite</span><small> (fr)</small></span></li> <li><span class="literal"><span property="rdfs:label" lang="en" >Åkermanite</span><small> (en)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="sv" >Åkermanit</span><small> (sv)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="uk" >Акерманіт</span><small> (uk)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://www.w3.org/2002/07/owl#sameAs"><small>owl:</small>sameAs</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://rdf.freebase.com/ns/m.03cqk90" href="http://rdf.freebase.com/ns/m.03cqk90"><small>freebase</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://www.wikidata.org/entity/Q270942" href="http://www.wikidata.org/entity/Q270942"><small>wikidata</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://az.dbpedia.org/resource/Okermanit" href="http://az.dbpedia.org/resource/Okermanit"><small>dbpedia-az</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://ca.dbpedia.org/resource/Åkermanita" href="http://ca.dbpedia.org/resource/Åkermanita"><small>dbpedia-ca</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://de.dbpedia.org/resource/Åkermanit" href="http://de.dbpedia.org/resource/Åkermanit"><small>dbpedia-de</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://es.dbpedia.org/resource/Oakermanita" href="http://es.dbpedia.org/resource/Oakermanita"><small>dbpedia-es</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://eu.dbpedia.org/resource/Åkermanita" href="http://eu.dbpedia.org/resource/Åkermanita"><small>dbpedia-eu</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://fr.dbpedia.org/resource/Akermanite" href="http://fr.dbpedia.org/resource/Akermanite"><small>dbpedia-fr</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://he.dbpedia.org/resource/אקרמניט" href="http://he.dbpedia.org/resource/אקרמניט"><small>dbpedia-he</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://it.dbpedia.org/resource/Åkermanite" href="http://it.dbpedia.org/resource/Åkermanite"><small>dbpedia-it</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://sv.dbpedia.org/resource/Åkermanit" href="http://sv.dbpedia.org/resource/Åkermanit"><small>dbpedia-sv</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="http://uk.dbpedia.org/resource/Акерманіт" href="http://uk.dbpedia.org/resource/Акерманіт"><small>dbpedia-uk</small>:Åkermanite</a></span></li> <li><span class="literal"><a class="uri" rel="owl:sameAs" resource="https://global.dbpedia.org/id/2Y2ma" href="https://global.dbpedia.org/id/2Y2ma">https://global.dbpedia.org/id/2Y2ma</a></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://www.w3.org/ns/prov#wasDerivedFrom"><small>prov:</small>wasDerivedFrom</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="prov:wasDerivedFrom" resource="http://en.wikipedia.org/wiki/Åkermanite?oldid=1123227569&ns=0" href="http://en.wikipedia.org/wiki/Åkermanite?oldid=1123227569&ns=0"><small>wikipedia-en</small>:Åkermanite?oldid=1123227569&ns=0</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://xmlns.com/foaf/0.1/depiction"><small>foaf:</small>depiction</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="foaf:depiction" resource="http://commons.wikimedia.org/wiki/Special:FilePath/Åkermanite,_Calcite,_Hillebrandite,_Tilleyite_-_Mineralogisches_Museum_Bonn1.jpg" href="http://commons.wikimedia.org/wiki/Special:FilePath/Åkermanite,_Calcite,_Hillebrandite,_Tilleyite_-_Mineralogisches_Museum_Bonn1.jpg"><small>wiki-commons</small>:Special:FilePath/Åkermanite,_Calcite,_...te_-_Mineralogisches_Museum_Bonn1.jpg</a></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://xmlns.com/foaf/0.1/isPrimaryTopicOf"><small>foaf:</small>isPrimaryTopicOf</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="foaf:isPrimaryTopicOf" resource="http://en.wikipedia.org/wiki/Åkermanite" href="http://en.wikipedia.org/wiki/Åkermanite"><small>wikipedia-en</small>:Åkermanite</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://xmlns.com/foaf/0.1/name"><small>foaf:</small>name</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><span property="foaf:name" lang="en" >Åkermanite</span><small> (en)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2">is <a class="uri" href="http://dbpedia.org/ontology/wikiPageRedirects"><small>dbo:</small>wikiPageRedirects</a> of</td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rev="dbo:wikiPageRedirects" resource="http://dbpedia.org/resource/Akermanite" href="http://dbpedia.org/resource/Akermanite"><small>dbr</small>:Akermanite</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2">is <a class="uri" href="http://dbpedia.org/ontology/wikiPageWikiLink"><small>dbo:</small>wikiPageWikiLink</a> of</td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rev="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Dorrite" href="http://dbpedia.org/resource/Dorrite"><small>dbr</small>:Dorrite</a></span></li> <li><span class="literal"><a class="uri" rev="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/List_of_mineral_symbols" href="http://dbpedia.org/resource/List_of_mineral_symbols"><small>dbr</small>:List_of_mineral_symbols</a></span></li> <li><span class="literal"><a class="uri" rev="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/List_of_minerals" href="http://dbpedia.org/resource/List_of_minerals"><small>dbr</small>:List_of_minerals</a></span></li> <li><span class="literal"><a class="uri" rev="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/List_of_minerals_recognized_by_the_International_Mineralogical_Association_(A)" href="http://dbpedia.org/resource/List_of_minerals_recognized_by_the_International_Mineralogical_Association_(A)"><small>dbr</small>:List_of_minerals_recognized_by_the_International_Mineralogical_Association_(A)</a></span></li> <li><span class="literal"><a class="uri" rev="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Melilite" href="http://dbpedia.org/resource/Melilite"><small>dbr</small>:Melilite</a></span></li> <li><span class="literal"><a class="uri" rev="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Akermanite" href="http://dbpedia.org/resource/Akermanite"><small>dbr</small>:Akermanite</a></span></li> <li><span class="literal"><a class="uri" rev="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Strukturbericht_designation" href="http://dbpedia.org/resource/Strukturbericht_designation"><small>dbr</small>:Strukturbericht_designation</a></span></li> </ul></td></tr><tr class="even"><td class="col-2">is <a class="uri" href="http://xmlns.com/foaf/0.1/primaryTopic"><small>foaf:</small>primaryTopic</a> of</td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rev="foaf:primaryTopic" resource="http://en.wikipedia.org/wiki/Åkermanite" href="http://en.wikipedia.org/wiki/Åkermanite"><small>wikipedia-en</small>:Åkermanite</a></span></li> </ul></td></tr> </tbody> </table> </div> </div> </div> </section> <!-- property-table --> <!-- footer --> <section> <div class="container-xl"> <div class="text-center p-4 bg-light"> <a href="https://virtuoso.openlinksw.com/" title="OpenLink Virtuoso"><img class="powered_by" src="/statics/images/virt_power_no_border.png" alt="Powered by OpenLink Virtuoso"/></a>    <a href="http://linkeddata.org/"><img alt="This material is Open Knowledge" src="/statics/images/LoDLogo.gif"/></a>     <a href="http://dbpedia.org/sparql"><img alt="W3C Semantic Web Technology" src="/statics/images/sw-sparql-blue.png"/></a>     <a href="https://opendefinition.org/"><img 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