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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Cuprite from
Bossillian Mine (Bossilian Mine; Bosullian Mine), Grampound with Creed, Cornwall, England, UK


Locality type:Mine
Classification
Species:Cuprite
Formula:Cu2O
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Native Copper1
Data
Mineral Data:Click here to view Cuprite data
Locality Data:Click here to view Bossillian Mine (Bossilian Mine; Bosullian Mine), Grampound with Creed, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:1069441
Long-form Identifier:1:3:1069441:9
GUID (UUID V4):0
Nearest other occurrences of Cuprite
4.4km (2.8 miles) ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK
9.1km (5.6 miles) ⓘWest Polmear Mine (Carvath United Mine; Carvath Mine; Wheal Change), St Austell, Cornwall, England, UK
11.2km (6.9 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
11.3km (7.0 miles) ⓘWest Wheal Eliza, Charlestown United and Cuddra Consolidated Mines, St Austell, Cornwall, England, UK
12.2km (7.6 miles) ⓘCrinnis Mine (Great Crinnis Mine; Carlyon Consolidated Mine), Carlyon Bay, Carlyon, Cornwall, England, UK
13.4km (8.3 miles) ⓘEast Crinnis Mine (incl. Wheal Rowe), South Par Mine, St Blaise, Cornwall, England, UK
13.6km (8.5 miles) ⓘPembroke Mine, South Par Mine, St Blaise, Cornwall, England, UK
14.2km (8.8 miles) ⓘCastle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
14.9km (9.2 miles) ⓘPar Smelter (Slag Locality), Tywardreath and Par, Cornwall, England, UK
16.4km (10.2 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
References
P,D, Trebilcock collection.
 
and/or  
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