General Information:
Chemical Formula:
(Na,Ca,Mn++)(Mn++,Fe++)(Fe+++,Fe++,Mg)Al(PO4)3
IMA Status:
Approved IMA 1978
Physical Properties:
Color:
bluish green.
Density:
3.6 - 3.601, Average = 3.6
Diaphaniety:
Transparent to Translucent
Hardness:
4-4.5 - Between Fluorite and Apatite
Luster:
Vitreous - Metallic
Streak:
greenish white
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