General Information:
Chemical Formula:
CuAl(SO4)2Cl·14(H2O)
Composition:
(Molecular Weight = 570.32 gm)
Aluminum 4.73 % Al
Copper 11.14 % Cu
Hydrogen 4.95 % H
Sulfur 11.24 % S
Chlorine 6.22 % Cl
Oxygen 61.72 % O
Empirical Formula:
CuAl(SO4)2Cl·14(H2O)
IMA Status:
Approved IMA 1978
Physical Properties:
Cleavage:
[010] Perfect
Color:
azure or blue.
Density:
1.815
Diaphaniety:
Transparent
Hardness:
2-3 - Gypsum-Calcite
Luster:
Vitreous (Glassy)
Streak:
light blue
More details...