General Information:
Chemical Formula:K2Na4Ca3Ti2Be4Si12O38
Composition:(Molecular Weight = 1,367.20 gm)Potassium 5.72 %
K Sodium 6.73 %
NaCalcium 8.79 %
CaTitanium 7.00 %
TiBeryllium 2.64 %
BeSilicon 24.65 %
SiOxygen 44.47 %
O Empirical Formula: K2Na4Ca3Ti2Be4Si12O38
Environment:In a vein in alkaline syenite pegmatite and in kalsilite syenite.
IMA Status:Approved IMA
Locality:Murunsky alkaline massif, Aldan shield, Russia.
Name Origin:For Prof. M. M. Odintsova (1911-1979), a founder of the Institute of the Earth's Crust, Irkutsk.
Physical Properties: Cleavage:None
Color:colorless, light pink, or slightly brownish pink.
Density:2.94 - 2.98, Average = 2.96
Diaphaniety:Transparent
Habits:Granular - Generally occurs as anhedral to subhedral crystals in matrix., ,
Hardness:5-5.5 - Apatite-Knife Blade
Luminescence:Non-fluorescent.
Luster:Vitreous (Glassy)
Streak:white
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