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Mineralpedia Details for Jahnsite-(CaMnMn)

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Jahnsite-(CaMnMn)

Jahnsite-(CaMnMn)

Formula
CaMn2+Mn2+2Fe3+2(PO4)4(OH)2ยท8H2
Crystal System
Monoclinic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
brownish yellow 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
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Jahnsite-(CaMnMn) from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil

Jahnsite-(CaMnMn)
            from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil

Yellow brown, long bladed crystals of Jahnsite-(caMnMn) to 2mm with raspberry red Strengite.

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