General Information:
Chemical Formula:Na12Ca3Fe+++2Si12O36
Composition:(Molecular Weight = 1,420.81 gm)Sodium 19.42 %
NaCalcium 8.46 %
CaIron 7.86 %
FeSilicon 23.72 %
SiOxygen 40.54 %
O Empirical Formula: Na12Ca3Fe3+2Si12O36
Environment:Found in eudialyte in an alkalic pegmatite.
IMA Status:Approved IMA 1979
Locality:Khibiny massif, near Lake Imandra, Kola Peninsula, Russia.
Name Origin:Named for the locality.
Physical Properties: Color:honey yellow.
Density:2.93
Diaphaniety:Transparent
Habits:Anhedral Grains - Granular minerals without the expression of crystal shapes, ,
Hardness:5-5.5 - Apatite-Knife Blade
Luster:Vitreous (Glassy)
Streak:white
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