General Information:
Chemical Formula:
Na2SO4·10(H2O)
Composition:
(Molecular Weight = 322.20 gm)
Sodium 14.27 % Na
Hydrogen 6.26 % H
Sulfur 9.95 % S
Oxygen 69.52 % O
Empirical Formula:
Na2(SO4)·10(H2O)
Name Origin:
Named after the Latin, sal mirabile Glauberi - "Glauber Salt."
Physical Properties:
Cleavage:
[100] Perfect, [001] Poor, [010] Poor
Color:
colorless, white, yellowish white, or greenish white.
Density:
1.49
Diaphaniety:
Transparent to translucent to opaque
Habits:
Crystalline - Coarse - Occurs as well-formed coarse sized crystals., Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation., Granular - Generally oc curs as anhedral to subhedral crystals i
Hardness:
1.5-2 - Talc-Gypsum
Luminescence:
None.
Luster:
Vitreous (Glassy)
Streak:
white
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