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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Autunite from
South Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK


03035010017369356554800.jpg
Autunite

South Terras Mine, St Stephen-in-Brannel, Cornwall, England, UK
03035010017369356554800.jpg
Autunite

South Terras Mine, St Stephen-in-Brannel, Cornwall, England, UK
04454480017369356562722.jpg
Autunite

South Terras Mine, St Stephen-in-Brannel, Cornwall, England, UK
Locality type:Mine
Classification
Species:Autunite
Formula:Ca(UO2)2(PO4)2 · 10-12H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Autunite data
Locality Data:Click here to view South Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:1370
Long-form Identifier:1:3:1370:3
GUID (UUID V4):0
Nearest other occurrences of Autunite
4.0km (2.5 miles) ⓘStenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK
5.2km (3.2 miles) ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK
22.2km (13.8 miles) ⓘCarharrack Mine, Gwennap, Cornwall, England, UK
23.0km (14.3 miles) ⓘWest Wheal Jewel (Tolcarne Mine; North Wheal Damsel), St Day, Cornwall, England, UK
25.6km (15.9 miles) ⓘChywoon Quarry, Mabe, Cornwall, England, UK
26.3km (16.3 miles) ⓘWheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK
27.1km (16.8 miles) ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK
27.2km (16.9 miles) ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
27.3km (17.0 miles) ⓘWest Basset Stamps (Wheal Haste), Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
31.0km (19.2 miles) ⓘSouth Tolcarne Mine, Beacon, Camborne, Cornwall, England, UK
References
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 2. Geological Survey of Great Britain.pp.541-543
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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