General Information:
Chemical Formula:
CaS5·CaS2O3·6Ca(OH)2·20(H2O)
Composition:
(Molecular Weight = 1,117.40 gm)
Calcium 25.11 % Ca
Hydrogen 4.69 % H
Sulfur 20.09 % S
Oxygen 50.11 % O
Empirical Formula:
Ca7S7O3(OH)12·20(H2O)
IMA Status:
Approved IMA 1985
Physical Properties:
Cleavage:
[???] Good
Color:
light yellow or orange.
Density:
1.83
Diaphaniety:
Transparent to Translucent
Hardness:
2 - Gypsum
Luster:
Vitreous - Pearly
Streak:
light yellow
More details...