General Information:
Chemical Formula:
Ca0.5Al3(SO4)2(OH)6
Composition:
(Molecular Weight = 395.15 gm)
Calcium 5.07 % Ca
Aluminum 20.48 % Al
Hydrogen 1.53 % H
Sulfur 16.23 % S
Oxygen 56.68 % O
Empirical Formula:
Ca0.5Al3(SO4)2(OH)6
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Perfect
Color:
white or yellowish.
Diaphaniety:
Transparent
Hardness:
3-4 - Calcite-Fluorite
Luster:
Vitreous (Glassy)
Streak:
white
More details...