Class: phosphate
Rarity: Very Rare Crystal:  crystal with a globular reniform habit 
Colour: green;   Streak: green;   Lustre: resinous;   Transparency: translucent subtranslucent;
Tenacity: brittle;   Cleavage: indistinct;   Fracture: subconchoidal uneven;  
Hardness - between 4 and: 4;   Density - between 3.6 and: 3.8
Dana number: 714

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