Minerals

TRIPLOIDITE ((Mn,Fe)2(PO4)(OH))
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a fibrous columnar habit 
Colour: brown;   Lustre: unknown;   Cleavage: perfect;   Fracture: unknown;  
Hardness - between 4.5 and: 5;   Density - between 3.7 and: 3.7
Dana number: 710




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