General Information:
Chemical Formula:
Mg3B2(SO4)(OH)8(OH,F)2
Composition:
(Molecular Weight = 361.67 gm)
Magnesium 20.16 % Mg
Boron 5.98 % B
Hydrogen 2.65 % H
Sulfur 8.87 % S
Oxygen 59.72 % O
Fluorine 2.63 % F
Empirical Formula:
Mg3B2(SO4)(OH)8(OH)1.5(F)0.5
Physical Properties:
Cleavage:
[100] Good, [001] Distinct
Color:
colorless.
Density:
2.44
Diaphaniety:
Transparent
Hardness:
4-4.5 - Between Fluorite and Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...