General Information:
Chemical Formula:Ba2Ca(Fe++,Mg)2Si6O17
Composition:(Molecular Weight = 841.70 gm)Barium 32.63 %
BaCalcium 4.76 %
CaMagnesium 2.31 %
MgIron 7.96 %
FeSilicon 20.02 %
SiOxygen 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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