General Information:
Chemical Formula:
Pb3Zn3Te++++++O6(PO4)2
Composition:
(Molecular Weight = 1,231.31 gm)
Zinc 15.93 % Zn
Tellurium 10.36 % Te
Phosphorus 5.03 % P
Lead 50.48 % Pb
Oxygen 18.19 % O
Empirical Formula:
Pb3Zn3TeO6(PO4)2
Environment:
Late-stage interstitial mineral in calcite.
IMA Status:
Approved IMA
Locality:
Kuranakh gold deposit, central Aldan, Siberia, Russia.
Name Origin:
Named for A. I. Kuks, Russian prospector, one of the discoverers of the Kuranakh deposit.
Physical Properties:
Cleavage:
[???] Perfect
Color:
gray.
Diaphaniety:
Transparent to subtranslucent
Habits:
Tabular - Form dimensions are thin in one direction., ,
Hardness:
5 - Apatite
Luminescence:
Weakly Fluorescent.
Luster:
Adamantine
Streak:
white
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