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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Chalcocite from
Silver Vein Mine (Beacon Hill Mine; Wheal Fortescue), Lostwithiel, Cornwall, England, UK


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Silver Vein Mine (Beacon Hill Mine; Wheal Fortescue), Lostwithiel, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:196441
Long-form Identifier:1:3:196441:7
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
4.7km (2.9 miles) ⓘWheal Maudlin (Wheal Mawdlin; Wheal Magdalen), Lostwithiel, Cornwall, England, UK
5.6km (3.5 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
5.8km (3.6 miles) ⓘNew Fowey Consols, Lanlivery, Cornwall, England, UK
5.9km (3.6 miles) ⓘLanescot Mine, Fowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
8.9km (5.5 miles) ⓘPembroke Mine, South Par Mine, St Blaise, Cornwall, England, UK
9.1km (5.6 miles) ⓘEast Crinnis Mine (incl. Wheal Rowe), South Par Mine, St Blaise, Cornwall, England, UK
10.1km (6.3 miles) ⓘWheal Eliza (Boscundle Mine), Carlyon, Cornwall, England, UK
10.2km (6.4 miles) ⓘCrinnis Mine (Great Crinnis Mine; Carlyon Consolidated Mine), Carlyon Bay, Carlyon, Cornwall, England, UK
11.3km (7.0 miles) ⓘOld Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK
12.1km (7.5 miles) ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
References
 
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