General Information:
Chemical Formula:
Ca3Al7(SiO4)3(PO4)(OH)3·16·5(H2O)
Composition:
(Molecular Weight = 821.42 gm)
Calcium 14.64 % Ca
Aluminum 22.99 % Al
Silicon 10.26 % Si
Phosphorus 3.77 % P
Hydrogen 1.60 % H
Oxygen 46.75 % O
Empirical Formula:
Ca3Al7(SIO4)3(PO4)(OH)3·5(H2O)
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
[???] Perfect
Color:
light brown.
Density:
2.64
Hardness:
5 - Apatite
Streak:
white
More details...