General Information:
Chemical Formula:
Ba(Fe++,Mn,Mg)2Al2(PO4)3(OH)3
Composition:
(Molecular Weight = 637.65 gm)
Barium 21.54 % Ba
Magnesium 0.76 % Mg
Manganese 5.17 % Mn
Aluminum 8.46 % Al
Iron 11.39 % Fe
Phosphorus 14.57 % P
Hydrogen 0.47 % H
Oxygen 37.64 % O
Empirical Formula:
BaFe2+1.3Mn2+0.6Mg0.2Al2(PO4)3(OH)3
IMA Status:
Approved IMA 1976
Physical Properties:
Cleavage:
[010] Good, [100] Good
Color:
blue, blue green, green, or black green.
Density:
3.91
Diaphaniety:
Transparent to Translucent
Hardness:
4 - Fluorite
Luster:
Vitreous - Adamantine
Streak:
greenish white
More details...