General Information:
Chemical Formula:
(Mn,Ca)(Mn,Fe++,Mg)Fe+++(PO4)2(OH)·4(H2O)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[001] Indistinct
Color:
yellow or yellow green.
Density:
2.76
Diaphaniety:
Transparent
Hardness:
3-4 - Calcite-Fluorite
Luster:
Vitreous (Glassy)
Streak:
yellow
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