General Information:
Chemical Formula:
Ba2Ca(Fe++,Mg)2Si6O17
Composition:
(Molecular Weight = 841.70 gm)
Barium 32.63 % Ba
Calcium 4.76 % Ca
Magnesium 2.31 % Mg
Iron 7.96 % Fe
Silicon 20.02 % Si
Oxygen 32.31 % O
Empirical Formula:
Ba2CaFe2+1.2Mg0.8Si6O17
Environment:
Contact metasomatic deposit.
IMA Status:
Approved IMA 1972
Locality:
Pelly and Ross River, Yukon Territories, Canada.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[???] Indistinct, [???] Indistinct
Color:
colorless or light yellow.
Density:
3.51
Diaphaniety:
Translucent
Habits:
Massive - Uniformly indistinguishable crystals forming large masses., ,
Hardness:
6 - Orthoclase
Luster:
Vitreous (Glassy)
Streak:
white
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