General Information:
Chemical Formula:
NaBSi2O5(OH)2
Composition:
(Molecular Weight = 203.98 gm)
Sodium 11.27 % Na
Silicon 27.54 % Si
Boron 5.30 % B
Hydrogen 0.99 % H
Oxygen 54.90 % O
Empirical Formula:
NaBSi2O5(OH)2
Environment:
Continental evaporite deposits.
Locality:
Searles Lake, San Bernardino Co., California.
Name Origin:
Named after it's locality.
Physical Properties:
Cleavage:
[010] Perfect
Color:
white or light brown.
Density:
2.45
Diaphaniety:
Transparent to translucent
Habits:
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Fibrous - Crystals made up of fibers., Spherical - Spherical, rounded aggregates.
Hardness:
1-2 - Between Talc and Gypsum
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...