Minerals

DELTAITE (8CaO.5Al2O3.4P2O5.14H2O)
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a fibrous incrustations habit 
Colour: gray;   Lustre: unknown;   Fracture: unknown;  
Hardness - between 5 and: 5;   Density - between 2.95 and: 2.95
Dana number: 734




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