Ferrohagendorfite

General Information:
 Chemical Formula:
(Na,Ca)2Fe++(Fe++,Fe+++)2(PO4)3
 IMA Status:
Not IMA Approved
Physical Properties:
 Cleavage:
[???] Good
 Color:
greenish black.
 Density:
3.4
 Hardness:
5-5.5 - Apatite-Knife Blade
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