Hagendorfite

General Information:
 Chemical Formula:
NaCaMn(Fe++,Fe+++,Mg)2(PO4)3
 IMA Status:
Approved IMA 1976
Physical Properties:
 Cleavage:
[???] Good
 Color:
greenish black.
 Density:
3.71
 Hardness:
3.5 - Copper Penny
 Streak:
gray green
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