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
Dolcoath Mine, Camborne, Cornwall, England, UK


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Axinite-(Fe)1
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Dolcoath Mine, Camborne, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:750525
Long-form Identifier:1:3:750525:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.7km (0.4 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
0.7km (0.4 miles) ⓘSouth Roskear Mine, South Roskear group (Pendarves Consols), Camborne, Cornwall, England, UK
2.0km (1.3 miles) ⓘSouth Tolcarne Mine, Beacon, Camborne, Cornwall, England, UK
3.5km (2.2 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
4.1km (2.6 miles) ⓘWheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
4.2km (2.6 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
5.9km (3.7 miles) ⓘNew Rosewarne Mine, Rosewarne United Mines, Gwinear-Gwithian, Cornwall, England, UK
6.0km (3.7 miles) ⓘNorth Wheal Grambler, Redruth, Cornwall, England, UK
7.9km (4.9 miles) ⓘBinner Downs Mine, Leedstown, Crowan, Cornwall, England, UK
8.9km (5.5 miles) ⓘWheal Alfred, Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
References
Paul Oldfield collection
 
and/or  
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