General Information:
Chemical Formula:
Ca3(OH)2[B(OH)4]4
Composition:
(Molecular Weight = 503.62 gm)
Calcium 23.87 % Ca
Boron 8.59 % B
Hydrogen 4.00 % H
Oxygen 63.54 % O
Empirical Formula:
Ca3B4(OH)20
Environment:
Skarn.
IMA Status:
Approved IMA 1969
Locality:
Eastern Siberia, Russia.
Name Origin:
Named for Yakov I. Olshansky (1912-1958), Russian geochemist.
Physical Properties:
Color:
colorless, white, or light brown.
Density:
2.23
Diaphaniety:
Transparent
Habits:
Fibrous - Crystals made up of fibers., Aggregates - Made of numerous individual crystals or clusters., Microscopic Crystals - Crystals visible only with microscopes.
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
Streak:
white
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