Chabazite-Na

General Information:
 Chemical Formula:
(Na2,K2,Ca,Sr,Mg)[Al2Si4O12]·6(H2O)
 Environment:
Amygdaloidal cavities of basalt and related rocks.
 IMA Status:
Approved IMA (Dana # Added)
 Locality:
Common worldwide.
 Name Origin:
The Na-dominant member of the chabazite series.
Physical Properties:
 Cleavage:
[1011] Imperfect
 Color:
colorless, white, yellowish, pinkish, or reddish white.
 Density:
2.05 - 2.15, Average = 2.09
 Diaphaniety:
Translucent to transparent
 Habits:
Pseudo Cubic - Crystals show a cubic outline., Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.,
 Hardness:
4 - Fluorite
 Luminescence:
Non-fluorescent.
 Luster:
Vitreous (Glassy)
 Streak:
white
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