General Information:
Chemical Formula:Ca10B2Si8O29·12(H2O)
Composition:(Molecular Weight = 1,327.25 gm)Calcium 30.20 %
CaSilicon 16.93 %
SiBoron 1.63 %
B Hydrogen 1.82 %
H Oxygen 49.42 %
O Empirical Formula: Ca10B2Si8O29·12(H2O)
Environment:Metamorphosed limestones. In a vein cutting a spurrite zone of a spurrite-gehlenite skarn.
Locality:Fuka, Bichu, Okayama Prefecture, Japan.
Name Origin:Named for Jiro Oye (1900-1968), professor of mineralogy, Okayama University, Japan.
Physical Properties: Color:white.
Density:2.62
Diaphaniety:Transparent to Translucent
Habits:Acicular - Occurs as needle-like crystals., ,
Hardness:5 - Apatite
Luster:Vitreous (Glassy)
Streak:white
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