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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Malachite from
Trevinnick Mine, St Kew, Cornwall, England, UK


Locality type:Mine
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Trevinnick Mine, St Kew, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:16847
Long-form Identifier:1:3:16847:4
GUID (UUID V4):0
Nearest other occurrences of Malachite
4.2km (2.6 miles) ⓘBeach and Cliff exposures, Port Quin, St Endellion, Cornwall, England, UK
6.9km (4.3 miles) ⓘPolzeath Consols (incl. Wheal Phillipa; Wheal Caroline), Polzeath, St Minver, Cornwall, England, UK
9.7km (6.0 miles) ⓘLanterdan Quarry, Treknow, Tintagel, Cornwall, England, UK
11.2km (7.0 miles) ⓘSouthern Merop Island, Gunver Head, Padstow, Cornwall, England, UK
21.4km (13.3 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
23.0km (14.3 miles) ⓘNew Fowey Consols, Lanlivery, Cornwall, England, UK
23.2km (14.4 miles) ⓘTreburland Manganese Mine (Treburland manganese deposits), Altarnun, Cornwall, England, UK
24.0km (14.9 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
25.9km (16.1 miles) ⓘSharptor Mine (West Sharptor Mine), Sharptor, Linkinhorne, Cornwall, England, UK
26.4km (16.4 miles) ⓘPembroke Mine, South Par Mine, St Blaise, Cornwall, England, UK
References
Clayton, R. E., Spiro, B. (2000) Sulphur, carbon and oxygen isotope studies of early Variscan mineralisation and Pb-Sb vein deposits in the Cornubian orefield: implications for the scale of fluid movements during Variscan deformation. Mineralium Deposita, 35 (4) 315-331 doi:10.1007/s001260050244
 
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