Minerals

MILLISITE ((Na,K)CaAl6(PO4)4(OH)9.3(H2O))
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a fibrous habit 
Colour: white;   Lustre: unknown;   Fracture: unknown;  
Hardness - between 5.5 and: 5.5;   Density - between 2.83 and: 2.83
Dana number: 734




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