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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Cornetite from
Bwana M'Kubwa Mine (Bwana M'Kubina Mine; Bwana Mkubwa Mine), Ndola District, Copperbelt Province, Zambia


Locality type:Mine
Classification
Species:Cornetite
Formula:Cu3(PO4)(OH)3
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Malachite
Native Copper
Wad
Data
Mineral Data:Click here to view Cornetite data
Locality Data:Click here to view Bwana M'Kubwa Mine (Bwana M'Kubina Mine; Bwana Mkubwa Mine), Ndola District, Copperbelt Province, Zambia
Data Identifiers
Mindat Occurrence Record ID:3951
Long-form Identifier:1:3:3951:2
GUID (UUID V4):0
References
Hutchinson, A., MacGregor, A. M. (1921) On Cornetite from Bwana Mkubwa, Northern Rhodesia. Mineralogical Magazine and Journal of the Mineralogical Society, 19 (95). 225-232 doi:10.1180/minmag.1921.019.95.01
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
 
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