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  Category:Nosean – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Nosean?uselang=de

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  Category:Leucite – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Leucite?uselang=de

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  2018 MSA Honors MSA Council decided on... - Mineralogical Society of America | Facebook

  https://www.facebook.com/permalink.php?story_fbid=1741209335952464&id=146637322076348

  2018 MSA Honors MSA Council decided on the 2018 award recipients at its Fall Council Meeting in Seattle, WA, USA. The Roebling Medal is awarded to E....

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  Category:Sodalite – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Sodalite?uselang=de

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