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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Calcite from
Friesenberg prospect, Tsumeb, Oshikoto Region, Namibia


Locality type:Prospect
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Friesenberg prospect, Tsumeb, Oshikoto Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:12688
Long-form Identifier:1:3:12688:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
5.2km (3.2 miles) ⓘTsumeb West Mine, Tsumeb, Oshikoto Region, Namibia
9.2km (5.7 miles) ⓘTsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
13.5km (8.4 miles) ⓘAlt Bobos Mine, Uris Farm 481, Guinas, Oshikoto Region, Namibia
38.5km (23.9 miles) ⓘKhusib Springs Mine (Khuiseb Springs Mine), Grootfontein Constituency, Otjozondjupa Region, Namibia
40.4km (25.1 miles) ⓘBaltika Mine, Baltika Farm 515, Otavi Constituency, Otjozondjupa Region, Namibia
41.3km (25.6 miles) ⓘKupferberg Mine, Otavi Constituency, Otjozondjupa Region, Namibia
42.0km (26.1 miles) ⓘGross Otavi Mine (Gross Otavi prospect), Otavi Constituency, Otjozondjupa Region, Namibia
42.1km (26.2 miles) ⓘHoba meteorite, Grootfontein Constituency, Otjozondjupa Region, Namibia
42.8km (26.6 miles) ⓘAbenab Mine, Abenab, Grootfontein Constituency, Otjozondjupa Region, Namibia
43.4km (27.0 miles) ⓘAbenab West Mine, Abenab, Grootfontein Constituency, Otjozondjupa Region, Namibia
References
Cairncross, Bruce (1997) The Otavi Mountain Land Cu-Pb-Zn-V Deposits, Namibia. The Mineralogical Record, 28 (2) 109-130
 
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