General Information:
Chemical Formula:
Na2CO3
Composition:
(Molecular Weight = 105.99 gm)
Sodium 43.38 % Na
Carbon 11.33 % C
Oxygen 45.29 % O
Empirical Formula:
Na2(CO3)
Environment:
Na analog of zabuyelite.
IMA Status:
Approved IMA 1982
Locality:
Mt. Karnasurt, Lovozero massif, Kola Peninnsula, Russia.
Name Origin:
Named for the composition.
Physical Properties:
Cleavage:
[001] Perfect, [100] Good, [110] Good
Color:
colorless, yellow orange, white, or pink.
Density:
2.54
Habits:
Massive - Uniformly indistinguishable crystals forming large masses., Pseudo Hexagonal - Crystals show a hexagonal outline.,
Hardness:
3.5 - Copper Penny
Luster:
Vitreous - Dull
Streak:
white
More details...