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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Turquoise from
Hensbarrow China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK


Locality type:Pit
Classification
Species:Turquoise
Formula:CuAl6(PO4)4(OH)8 · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Turquoise data
Locality Data:Click here to view Hensbarrow China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:11291
Long-form Identifier:1:3:11291:6
GUID (UUID V4):0
Nearest other occurrences of Turquoise
0.5km (0.3 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
0.6km (0.4 miles) ⓘBunny Mine, Stenalees, Treverbyn, Cornwall, England, UK
7.3km (4.5 miles) ⓘCastle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
7.7km (4.8 miles) ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK
23.5km (14.6 miles) ⓘParson's Park Pit (Parc St Neot Pit), St Neot, Cornwall, England, UK
29.0km (18.0 miles) ⓘWest Phoenix Mine, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
30.0km (18.7 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
30.1km (18.7 miles) ⓘWheal Phoenix, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
References
Braithwaite, Richard S.W. (1981) Turquoise Crystals from Britain and a Review of Related Species. The Mineralogical Record, 12 (6) 349-353pp.350-352
Barstow, R. W. (1982) Variscite from Hensbarrow china clay works, St. Austell, Cornwall. Mineralogical Magazine, 46 (341) 512 doi:10.1180/minmag.1982.046.341.23
 
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