Minerals

BARRANDITE ((Al,Fe)PO4.2H2O)
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a fibrous habit 
Colour: gray;   Lustre: unknown;   Fracture: unknown;  
Hardness - between 4.5 and: 4.5;   Density - between 2.6 and: 2.6
Dana number: 724




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