General Information:
Chemical Formula:
Ca3Mg(BO3)2(CO3)·0.36(H2O)
Composition:
(Molecular Weight = 446.27 gm)
Calcium 26.94 % Ca
Magnesium 5.45 % Mg
Boron 9.69 % B
Hydrogen 0.16 % H
Carbon 2.69 % C
Oxygen 55.07 % O
Empirical Formula:
Ca3Mg(BO3)2(CO3)·0.36(H2O)
Environment:
In a skarn.
IMA Status:
Approved IMA 1966
Locality:
Solongo, Transbaikalia, Russia.
Name Origin:
Named for the locality, Sakha being the name for Siberia in the Yakut language.
Physical Properties:
Cleavage:
None
Color:
colorless, gray, or gray white.
Density:
2.78 - 2.83, Average = 2.8
Diaphaniety:
Transparent to Translucent
Habits:
Euhedral Crystals - Occurs as well-formed crystals showing good external form., Massive - Uniformly indistinguishable crystals forming large masses.,
Hardness:
5 - Apatite
Luster:
Vitreous - Greasy
Streak:
white
More details...