General Information:
Chemical Formula:Ca(Fe++,Mg)6(PO4)2(SiO4)2
Composition:(Molecular Weight = 701.96 gm)Calcium 5.71 %
CaMagnesium 5.19 %
MgIron 35.80 %
FeSilicon 8.00 %
SiPhosphorus 8.82 %
P Oxygen 36.47 %
O Empirical Formula: CaFe2+4.5Mg1.5(PO4)2(SiO4)2
IMA Status:Approved IMA
Physical Properties: Cleavage:[???] Indistinct
Color:yellow brown or orange brown.
Density:4.02
Diaphaniety:Transparent to Translucent
Hardness:4-5 - Fluorite-Apatite
Luster:Vitreous (Glassy)
Streak:light yellow
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