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Message * Articles On Organic Minerals, including Carbon, Guanine, Lignite, Anthracite, Gilsonite, Tetracosane, Fichtelite, Mellite, Abelsonite, Zietrisikite, Bathvillite, Elaterite, Kratochvilite, Idrialite, Zhemchuzhnikovite, Simonellite - 1243206411 - 9781243206411