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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Phenakite from
South Crofty Mine, Pool, Carn Brea, Cornwall, England, UK


Locality type:Project
Classification
Species:Phenakite
Formula:Be2SiO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phenakite data
Locality Data:Click here to view South Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:8543
Long-form Identifier:1:3:8543:4
GUID (UUID V4):0
Nearest other occurrences of Phenakite
6.9km (4.3 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
7.4km (4.6 miles) ⓘSt Day United Mines (Poldice Mines), Gwennap, Cornwall, England, UK
11.9km (7.4 miles) ⓘWheal Kitty (Kitty and Penhalls United Mine; incl. Goonlaze Mine; Wheal Osborne), St Agnes, Cornwall, England, UK
14.5km (9.0 miles) ⓘCligga Head, Perranporth, Perranzabuloe, Cornwall, England, UK
30.8km (19.1 miles) ⓘStamps and Jowl Zawn (Roscommon Cliff), Cliff outcrops, Botallack, St Just, Cornwall, England, UK
30.8km (19.2 miles) ⓘWheal Cock, Botallack Mine, Botallack, St Just, Cornwall, England, UK
31.2km (19.4 miles) ⓘWheal Edward, Botallack, St Just, Cornwall, England, UK
66.9km (41.6 miles) ⓘSouth Phoenix Mine, Minions, Linkinhorne, Cornwall, England, UK
67.0km (41.6 miles) ⓘCheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK
67.4km (41.9 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
References
Russell, Arthur (1911) On the occurrence of Phenacite in Cornwall. Mineralogical Magazine and Journal of the Mineralogical Society, 16 (73) 55-62 doi:10.1180/minmag.1911.016.073.08
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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