Minerals

NATROPHILITE (NaMnPO4)
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a massive habit 
Colour: yellow;   Lustre: unknown;   Fracture: unknown;  
Hardness - between 4.5 and: 5;   Density - between 3.41 and: 3.41
Dana number: 703




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