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Bultfonteinite, Ettringite


Bultfonteinite : Ca2[F|HSiO4] · H2O, Ettringite : Ca6Al2[(OH)4|SO4]3 · 26H2O

Photo Copyright © Roberto Bracco  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: N'Chwaning II Mine, N'Chwaning Mines, Kalahari manganese fields, Northern Cape Province, South Africa
Pink bultfonteinite globule with yellow ettringite xls.
Field 6mm. Collection & photo R. Bracco.

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