Class: phosphate
Rarity: Very Rare Crystal:  crystal with a amorphous habit Magnetic after heating
Colour: green brown;   Streak: white;   Lustre: vitreous adamantine resinous;   Transparency: subtransparent translucent;
Tenacity: brittle;   Cleavage: imperfect in traces;   Fracture: uneven;  
Hardness - between 3.5 and: 4;   Density - between 3.1 and: 3.3
Dana number: 723

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