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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Brochantite from
Wheal Gorland, St Day, Cornwall, England, UK


Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Wheal Gorland, St Day, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:2348
Long-form Identifier:1:3:2348:1
GUID (UUID V4):0
Nearest other occurrences of Brochantite
0.6km (0.4 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
0.9km (0.6 miles) ⓘWheal Jewel, Gwennap, Cornwall, England, UK
1.9km (1.2 miles) ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK
2.0km (1.2 miles) ⓘTing Tang Mine, Carharrack, Cornwall, England, UK
2.2km (1.4 miles) ⓘUnited Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
4.9km (3.0 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
4.9km (3.0 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
5.1km (3.1 miles) ⓘWheal Whitfield (North Carn Brea Mine; North Tincroft Mine), Robarts Mine (incl. East Wheal Seton; Wheal Maude), Illogan, Cornwall, England, UK
5.6km (3.5 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
6.9km (4.3 miles) ⓘNew Cook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
References
Miers, H. A. (1894) Spangolite. Mineralogical Magazine and Journal of the Mineralogical Society, 10 (48) 273-277 doi:10.1180/minmag.1894.010.48.02
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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