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Pokrovskite, Hydromagnesite


Pokrovskite : Mg2[(OH)2|CO3], Hydromagnesite : Mg5[(CO3)4(OH)2] · 4H2O

Photo Copyright © 2007, Jeffrey G. Weissman  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Litton, Sonoma Co., California, USA
Excellent example of pokrovskite, in spherical masses, with clear hydromagnesite crystals. 0.6 cm, horizontal, field of view. Specimen courtesy of Excalibur Mineral Company.

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