Class: phosphate
Rarity: Very Rare Crystal:  crystal with a striated habit 
Colour: colorless;   Lustre: unknown;   Transparency: transparent; Cleavage: distinct;   Fracture: unknown;  
Hardness - between 3.7 and: 3.7;   Density - between 3.3 and: 3.3
Dana number: 719

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