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Dmisteinbergite, Wairakite


Dmisteinbergite : Ca[Al2Si2O8], Wairakite : Ca[Al2Si4O12] · 2H2O

Photo Copyright © 2007, Jeffrey G. Weissman  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Kurumazawa gabbro quarry, Gunma Prefecture, Kanto Region, Honshu Island, Japan
One of the rarest of the feldspar group minerals, dmisteinbergite occurs here as divergent poorly defined milky white platy crystals, with dull white massive wairakite. About a 2 cm field of view, specimen courtesy of Excalibur Mineral.

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