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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Dolomite from
Passagem mine, Passagem de Mariana, Mariana, Minas Gerais, Brazil


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Passagem mine, Passagem de Mariana, Mariana, Minas Gerais, Brazil
Data Identifiers
Mindat Occurrence Record ID:565193
Long-form Identifier:1:3:565193:1
GUID (UUID V4):0
Nearest other occurrences of Dolomite
22.2km (13.8 miles) ⓘCaieira farm, Ouro Preto, Minas Gerais, Brazil
57.7km (35.9 miles) ⓘJuca Vieira mine, Caeté, Minas Gerais, Brazil
61.5km (38.2 miles) ⓘBicalho Au deposit, Nova Lima, Minas Gerais, Brazil
64.9km (40.3 miles) ⓘRaposos mine, Raposos, Minas Gerais, Brazil
64.9km (40.3 miles) ⓘMorro Velho mine, Nova Lima, Minas Gerais, Brazil
65.6km (40.8 miles) ⓘLamego Au deposit, Sabará, Minas Gerais, Brazil
68.7km (42.7 miles) ⓘCuiabá mine, Sabará, Minas Gerais, Brazil
71.8km (44.6 miles) ⓘÁguas Claras mine, Nova Lima, Minas Gerais, Brazil
72.3km (45.0 miles) ⓘCapão Xavier mine, Nova Lima, Minas Gerais, Brazil
References
Oberthür, T., Weiser, T. W. (2008) Gold-bismuth-telluride-sulphide assemblages at the Viceroy Mine, Harare-Bindura-Shamva greenstone belt, Zimbabwe. Mineralogical Magazine, 72 (4) 953-970 doi:10.1180/minmag.2008.072.4.953
 
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