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 Jewel, Gwennap, Cornwall, England, UK


Locality type:Mine
Classification
Species:Brochantite
Formula:Cu4(SO4)(OH)6
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Linarite1
Hydrozincite1
Galena1
Chalcopyrite1
Sphalerite1
Data
Mineral Data:Click here to view Brochantite data
Locality Data:Click here to view Wheal Jewel, Gwennap, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:1581214
Long-form Identifier:1:3:1581214:4
GUID (UUID V4):0
Nearest other occurrences of Brochantite
0.9km (0.6 miles) ⓘWheal Unity, Gwennap, Cornwall, England, UK
0.9km (0.6 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
1.4km (0.9 miles) ⓘTing Tang Mine, Carharrack, Cornwall, England, UK
1.4km (0.9 miles) ⓘUnited Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
1.9km (1.2 miles) ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK
4.8km (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
5.7km (3.5 miles) ⓘWheal Whitfield (North Carn Brea Mine; North Tincroft Mine), Robarts Mine (incl. East Wheal Seton; Wheal Maude), Illogan, Cornwall, England, UK
5.9km (3.7 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
7.2km (4.5 miles) ⓘNew Cook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
References
S. Rust collection.
 
and/or  
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