Creedite

0

Locality:Qinglong Mine (Dachang Mine), Dachang Sb ore field, Qinglong County, Qianxinan, Guizhou, China
(https://www.mindat.org/loc-33918.html)

Formula:Ca3Al2(SO4)(OH)2F8 · 2H2O
Colour:white, violet, purple, colourless, orange; colourless in transmitted light.
Lustre:Vitreous
Hardness:4
Specific Gravity:2.713 - 2.73
Crystal System:Monoclinic

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