General Information:
Chemical Formula:
Na12Mg7(SO4)13·15(H2O)
Composition:
(Molecular Weight = 1,965.07 gm)
Sodium 14.04 % Na
Magnesium 8.66 % Mg
Hydrogen 1.54 % H
Sulfur 21.21 % S
Oxygen 54.55 % O
Empirical Formula:
Na12Mg7(SO4)13·15(H2O)
Physical Properties:
Color:
colorless, gray, pale yellow, or reddish yellow.
Density:
2.36 - 2.38, Average = 2.37
Diaphaniety:
Transparent
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Vitreous (Glassy)
More details...