General Information:
Chemical Formula:
Na2Ca(Mn,Fe++)7(PO4)6
Physical Properties:
Cleavage:
[001] Perfect
Color:
yellow, reddish brown, or colorless.
Density:
3.43
Diaphaniety:
Transparent to translucent
Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., Euhedral Crystals - Occurs as well-formed crystals showing good external form.,
Hardness:
4.5 - Between Fluorite and Apatite
Luminescence:
Non-fluorescent.
Luster:
Resinous - Greasy
Streak:
white
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