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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Arsenopyrite from
West Alfred Consols (Wheal Ann), Hayle, Cornwall, England, UK


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view West Alfred Consols (Wheal Ann), Hayle, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:192048
Long-form Identifier:1:3:192048:2
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
2.3km (1.4 miles) ⓘWheal Squire, St Erth, Cornwall, England, UK
2.3km (1.4 miles) ⓘWheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
2.5km (1.5 miles) ⓘWheal Herland (Old Herland Mine; Manor Mine; North Wheal Herland), Rosewarne and Herland United Mines (Rosewarne and Herland Mine; incl. Wheal Fancy; Wheal Pleasure), Gwinear, Gwinear-Gwithian, Cornwall, England, UK
2.7km (1.7 miles) ⓘWheal Providence, Wheal Tremayne, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
3.5km (2.2 miles) ⓘRelistian Mine (Relistien Mine; Relistian Consols), Reawla, Gwinear-Gwithian, Cornwall, England, UK
3.7km (2.3 miles) ⓘCarzise Consols, Leedstown, Crowan, Cornwall, England, UK
3.9km (2.4 miles) ⓘHawk's Point Mine (Hawkes Point Mine; Wheal Fanny Adela), Carbis Bay, St Ives, Cornwall, England, UK
3.9km (2.4 miles) ⓘNew West Rosewarne Mine (East Relistian Mine; Gwinear-Gwithian Consols), Relistian Mine (Relistien Mine; Relistian Consols), Reawla, Gwinear-Gwithian, Cornwall, England, UK
4.1km (2.5 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
4.4km (2.8 miles) ⓘTrevarthian Downs Mine (Trevarthen Mine), St Hilary, Cornwall, England, UK
References
Phillips, William (1823) An Elementary Introduction to Mineralogy (3rd ed.)
Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro.
Henwood, William Jory (1871) The Mining District of Chañarcillo in Chili, in Observations of Metalliferous Deposits, and on Subterranean Temperature - Part the First. Transactions of the Royal Geological Society of Cornwall, 8 (1). 69-152p.112
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.142-143
 
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