General Information:
Chemical Formula:
Na4Ca(SO4)3·2(H2O)
Empirical Formula:
Ma10Ca(SO4)3·2(H2O)
Environment:
Alteration product of glauberite.
IMA Status:
Approved IMA 1969
Locality:
Kara-Kalpakii, Uzbekistan.
Name Origin:
Named for its composition, rather similar to glauberite, but hydrated.
Physical Properties:
Cleavage:
[???] Good, [???] Distinct, [???] Poor
Color:
snow white.
Density:
1.51
Luster:
Silky
Streak:
white
More details...