General Information:
Chemical Formula:
Ca4Fe+++2(PO4)4(OH)2·3(H2O)
Composition:
(Molecular Weight = 739.95 gm)
Calcium 21.67 % Ca
Iron 15.09 % Fe
Phosphorus 16.74 % P
Hydrogen 1.09 % H
Oxygen 45.41 % O
Empirical Formula:
Ca4Fe3+2(PO4)4(OH)2·3(H2O)
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
[???] Perfect
Color:
brownish yellow or light yellow.
Density:
2.8 - 2.97, Average = 2.88
Diaphaniety:
Translucent
Hardness:
2.5 - Finger Nail
Luster:
Earthy (Dull)
Streak:
white
More details...