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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Ferropericlase from
Kankan diamond District, Kankan Prefecture, Kankan Region, Guinea


Locality type:District
Classification
Species:Periclase var: Ferropericlase
Formula:(Mg,Fe)O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferropericlase data
Locality Data:Click here to view Kankan diamond District, Kankan Prefecture, Kankan Region, Guinea
Data Identifiers
Mindat Occurrence Record ID:841979
Long-form Identifier:1:3:841979:8
GUID (UUID V4):0
References
McCammon, C.A, Stachel, T, Harris, J.W (2004) Iron oxidation state in lower mantle mineral assemblages. Earth and Planetary Science Letters, 222 (2) 423-434 doi:10.1016/j.epsl.2004.03.019
 
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