General Information:
Chemical Formula:
K2ZrSi2O7
Composition:
(Molecular Weight = 337.59 gm)
Potassium 23.16 % K
Zirconium 27.02 % Zr
Silicon 16.64 % Si
Oxygen 33.18 % O
Empirical Formula:
K2ZrSi2O7
Environment:
Aegirine-rich metasomatic rocks.
IMA Status:
Approved IMA 1974
Locality:
Gakman Valley, Khibiny massif, Kola Peninsula, Russia.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[001] Perfect, [100] Perfect, [111] Perfect
Color:
white, light yellow, or colorless.
Density:
3.3 - 3.4, Average = 3.34
Diaphaniety:
Translucent
Habits:
Stellate - Occurs as spherical, radial aggregates radiating from a "star" like point., Inclusions - Generally found as inclusions in other minerals.,
Hardness:
4.5-5.5
Luster:
Greasy (Oily)
Streak:
white
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