Nahcolite

General Information:
 Chemical Formula:
NaHCO3
 Composition:
(Molecular Weight = 84.01 gm)
Sodium 27.37 % Na
Hydrogen 1.20 % H 
Carbon 14.30 % C 
Oxygen 57.14 % O 
 Empirical Formula:
Na(HCO3)
 Environment:
Contenental evaporite deposits.
 Locality:
Searles Lake, San Bernardino County, California, USA.
 Name Origin:
Named for the nmonic of the chemical formula (NaHCO).
Physical Properties:
 Cleavage:
[101] Perfect, [111] Good, [100] Distinct
 Color:
colorless, white, gray, brown, or black.
 Density:
2.21
 Diaphaniety:
Transparent to Translucent
 Hardness:
2.5 - Finger Nail
 Luminescence:
Fluorescent.
 Luster:
Vitreous - Resinous
 Streak:
white
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