General Information:
Chemical Formula:
(Ba,Sr)(Mn++,Fe++,Mg)2Al2(PO4)3(OH)3
IMA Status:
Approved IMA 1973
Physical Properties:
Cleavage:
[010] Perfect, [100] Perfect
Color:
emerald green.
Density:
4.02
Diaphaniety:
Transparent to Translucent
Hardness:
4 - Fluorite
Luster:
Subadamantine
Streak:
white
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