General Information:
Chemical Formula:
NaHSi2O5·(H2O)
Composition:
(Molecular Weight = 178.18 gm)
Sodium 12.90 % Na
Silicon 31.52 % Si
Hydrogen 1.70 % H
Oxygen 53.88 % O
Empirical Formula:
NaHSi2O5·(H2O)
Environment:
Found as fine-grained compact veins with ussingite margins.
IMA Status:
Approved IMA
Locality:
Mt. Alluaiev, Lovozero massif, Kola Peninsula, Russia.
Name Origin:
Named from the old Russian name for the Spitzbergen Archipelago, Arctic Ocean.
Physical Properties:
Cleavage:
[110] Perfect
Color:
white or snow white.
Density:
2.21
Diaphaniety:
Transparent to Translucent
Habits:
Compact - Occurs as a compact mass., ,
Hardness:
4-5 - Fluorite-Apatite
Luminescence:
Fluorescent, Short UV=weak bluish white.
Luster:
Vitreous - Silky
Streak:
white
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