Minerals

LEWISTONITE (15CaO.(K,Na)2O.4P2O5.8H2O)
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a incrustations habit 
Colour: white;   Lustre: unknown;   Cleavage: perfect;   Fracture: unknown;  
Hardness - between 5 and: 5;   Density - between 3.06 and: 3.06
Dana number: 734




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