General Information:
Chemical Formula:
Ca10B2Si8O29·12(H2O)
Composition:
(Molecular Weight = 1,327.25 gm)
Calcium 30.20 % Ca
Silicon 16.93 % Si
Boron 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
More details...