General Information:
Chemical Formula:Na2Ca4(PO4)3F
Composition:(Molecular Weight = 510.20 gm)Sodium 9.01 %
NaCalcium 31.42 %
CaPhosphorus 18.21 %
P Oxygen 37.63 %
O Fluorine 3.72 %
F Empirical Formula: Na2Ca4(PO4)3F
Environment:Found in a drill core.
IMA Status:Approved IMA 1981
Locality:Drill core from the valley of the Vounnimi River, Khibina alkalic massif, Kola Peninuula, Russia.
Name Origin:Named for the arctic region where it was found.
Physical Properties: Cleavage:[001] Perfect
Color:colorless.
Density:3.11 - 3.13, Average = 3.12
Diaphaniety:Transparent
Hardness:5 - Apatite
Luster:Vitreous - Pearly
Streak:white
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