General Information:
Chemical Formula:
KCuFe+++15(PO4)12(OH)12·12(H2O)
Composition:
(Molecular Weight = 2,500.28 gm)
Potassium 1.56 % K
Iron 33.50 % Fe
Copper 2.54 % Cu
Phosphorus 14.87 % P
Hydrogen 1.45 % H
Oxygen 46.07 % O
Empirical Formula:
KCuFe3+15(PO4)12(OH)12·12(H2O)
IMA Status:
Approved IMA 1982
Physical Properties:
Cleavage:
[???] Good
Color:
yellow or yellow green.
Density:
2.9
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
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