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Poppiite, Goldmanite, Ganophyllite


Poppiite : Ca2(V3+,Fe3+,Mg)(V3+,Al)2[(OH,O)2|SiO4|Si2O7] · H2O, Goldmanite : Ca3(V3+,Al,Fe3+)2[SiO4]3, Ganophyllite : (K,Na,Ca)2Mn8(Si,Al)12(O,OH)32·8H2O

Photo Copyright © G. Armellino  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy
Greenish prismatic crystals of poppiite (size 0,5 to 1,5 mm) with goldmanite in ganophyllite vein. Collection and photo G. Armellino.

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