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
United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK


Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cyanotrichite1
Malachite1
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:2347
Long-form Identifier:1:3:2347:4
GUID (UUID V4):0
Nearest other occurrences of Brochantite
1.4km (0.9 miles) ⓘWheal Jewel, Gwennap, Cornwall, England, UK
1.8km (1.1 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
2.2km (1.4 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
2.3km (1.4 miles) ⓘTing Tang Mine, Carharrack, Cornwall, England, UK
3.2km (2.0 miles) ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK
5.8km (3.6 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
6.0km (3.7 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
7.1km (4.4 miles) ⓘWheal Whitfield (North Carn Brea Mine; North Tincroft Mine), Robarts Mine (incl. East Wheal Seton; Wheal Maude), Illogan, Cornwall, England, UK
7.2km (4.5 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
8.5km (5.3 miles) ⓘNew Cook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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