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Efremovite


Efremovite : (NH4)2Mg2(SO4)3

Photo Copyright © Thomas Witzke and Abraxas-Verlag  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Ronneburg U deposit, Gera, Thuringia, Germany
White massive efremovite. Picture size 6 mm. The mineral is hygroscopic and must be stored in a closed box. Photographer and collection Thomas Witzke.

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