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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Stannite from
Stenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK


Locality type:Mine
Classification
Species:Stannite
Formula:Cu2FeSnS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stannite data
Locality Data:Click here to view Stenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:10465
Long-form Identifier:1:3:10465:2
GUID (UUID V4):0
Nearest other occurrences of Stannite
4.6km (2.8 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
5.3km (3.3 miles) ⓘGoonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK
11.9km (7.4 miles) ⓘMulberry Mine (Mulberry Hill Mine), Mulberry Downs, Lanivet, Cornwall, England, UK
12.1km (7.5 miles) ⓘLanescot Mine, Fowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
12.1km (7.5 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
22.3km (13.9 miles) ⓘCligga Mine, Cligga Head, Perranporth, Perranzabuloe, Cornwall, England, UK
22.8km (14.1 miles) ⓘWheal Jane, Kea, Cornwall, England, UK
24.4km (15.2 miles) ⓘWheal Primrose, West Wheal Kitty group, St Agnes, Cornwall, England, UK
24.5km (15.2 miles) ⓘWheal Friendly (West Wheal Pink), West Wheal Kitty group, St Agnes, Cornwall, England, UK
24.8km (15.4 miles) ⓘWest Wheal Kitty (Wheal Rock), West Wheal Kitty group, St Agnes, Cornwall, England, UK
References
Boase, H.S. (1822): Transactions of the Royal Geological Society of Cornwall 2, 383-403
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.
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 2. Geological Survey of Great Britain.
 
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