Class: phosphate
Rarity: Rare Crystal:  crystal with a columnar massive  habit 
Colour: colorless white ;   Streak: white ;   Lustre: vitreous pearly ;   Transparency: transparent subtransparent translucent ;
Tenacity: brittle ;   Cleavage: perfect distinct imperfect ;   Fracture: conchoidal even uneven ;  
Hardness - between 5 and: 6;   Density - between 3.06 and: 3.08
Dana number: 712

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