General Information:
Chemical Formula:Ca2B2O5·(H2O)
Composition:(Molecular Weight = 199.79 gm)Calcium 40.12 %
CaBoron 10.82 %
B Hydrogen 1.01 %
H Oxygen 48.05 %
O Empirical Formula: Ca2B2O5·(H2O)
Environment:In a vein between gehlenite-spurrite skarns and crystalline limestone. A polymorph of sibirskite.
IMA Status:Approved IMA 1996 (Dana # Added)
Locality:Fuka, Okayama Prefecture, Japan.
Name Origin:For it's relationship to sibirskite.
Physical Properties: Cleavage:[100] Perfect
Color:white.
Density:2.5
Diaphaniety:Transparent
Habits:Tabular - Form dimensions are thin in one direction., Microscopic Crystals - Crystals visible only with microscopes.,
Hardness:3 - Calcite
Luster:Vitreous - Pearly
Streak:white
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