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
Rodgerberg Mine, Guchab-Rodgerberg area, Otavi Constituency, Otjozondjupa Region, Namibia


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Rodgerberg Mine, Guchab-Rodgerberg area, Otavi Constituency, Otjozondjupa Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:99585
Long-form Identifier:1:3:99585:0
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.5km (0.3 miles) ⓘGuchab-Rodgerberg area, Otavi Constituency, Otjozondjupa Region, Namibia
0.9km (0.5 miles) ⓘGuchab prospect (Guchab mine), Guchab-Rodgerberg area, Otavi Constituency, Otjozondjupa Region, Namibia
13.6km (8.4 miles) ⓘKombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
14.9km (9.3 miles) ⓘAsis West sector, Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
16.8km (10.4 miles) ⓘHoba meteorite, Grootfontein Constituency, Otjozondjupa Region, Namibia
25.0km (15.5 miles) ⓘGross Otavi Mine (Gross Otavi prospect), Otavi Constituency, Otjozondjupa Region, Namibia
27.9km (17.3 miles) ⓘKupferberg Mine, Otavi Constituency, Otjozondjupa Region, Namibia
31.8km (19.8 miles) ⓘBaltika Mine, Baltika Farm 515, Otavi Constituency, Otjozondjupa Region, Namibia
37.6km (23.3 miles) ⓘKhusib Springs Mine (Khuiseb Springs Mine), Grootfontein Constituency, Otjozondjupa Region, Namibia
48.5km (30.1 miles) ⓘFriesenberg prospect, Tsumeb, Oshikoto Region, Namibia
References
Cook, Robert B. (2002) Connoisseur's Choice: Dioptase, Tsumeb, Namibia. Rocks & Minerals, 77 (3) 176-180 doi:10.1080/00357529.2002.9926680
 
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