Class: phosphate
Rarity: Very Rare Crystal:  crystal with a unknown habit Magnetic after heating
Colour: white brown black;   Streak: white yellow;   Lustre: vitreous resinous;   Transparency: translucent; Cleavage: imperfect;   Fracture: uneven;  
Hardness - between 4.5 and: 5;   Density - between 3.18 and: 3.24
Dana number: 732

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