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


Locality type:Mine
Classification
Species:Melanterite
Formula:Fe2+(H2O)6(SO4) · H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Melanterite 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:7525
Long-form Identifier:1:3:7525:1
GUID (UUID V4):0
Nearest other occurrences of Melanterite
2.3km (1.4 miles) ⓘTing Tang Mine, Carharrack, Cornwall, England, UK
2.5km (1.6 miles) ⓘWheal Jane, Kea, Cornwall, England, UK
5.0km (3.1 miles) ⓘWheal Concord, East Treskerby Mine, Skinners Bottom, St Agnes, Cornwall, England, UK
8.5km (5.3 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
9.7km (6.1 miles) ⓘWheal Coates, St Agnes, Cornwall, England, UK
14.8km (9.2 miles) ⓘDuchy Peru Mine, Perran Iron Lode (Great Perran Iron Lode), Perranzabuloe, Cornwall, England, UK
20.9km (13.0 miles) ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK
23.5km (14.6 miles) ⓘWheal Prosper, St Hilary, Cornwall, England, UK
36.2km (22.5 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
38.0km (23.6 miles) ⓘGeevor Mine, Pendeen, St Just, Cornwall, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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