Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Graphite from
Lake Kumdikol diamond deposit, Lake Kumdikol (Lake Kumdykol'; Ozero Kumdykol'), Prirechnoye, Zerendi District, Akmola Region, Kazakhstan


Locality type:Deposit
Classification
Species:Graphite
Formula:C
Comments:Decomposition of magnesite during exhumation.
In dolomite marbles.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Graphite data
Locality Data:Click here to view Lake Kumdikol diamond deposit, Lake Kumdikol (Lake Kumdykol'; Ozero Kumdykol'), Prirechnoye, Zerendi District, Akmola Region, Kazakhstan
Data Identifiers
Mindat Occurrence Record ID:58321
Long-form Identifier:1:3:58321:1
GUID (UUID V4):0
References
Dobrzhinetskaya, L. F., Green, H. W., Bozhilov, K. N., Mitchell, T. E., Dickerson, R. M. (2003) Crystallization environment of Kazakhstan microdiamond: evidence from nanometric inclusions and mineral associations. Journal of Metamorphic Geology, 21 (5) 425-437 doi:10.1046/j.1525-1314.2003.00452.x
 
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