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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Millerite from
United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK


Locality type:Mine
Classification
Species:Millerite
Formula:NiS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view United Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:187278
Long-form Identifier:1:3:187278:1
GUID (UUID V4):0
Nearest other occurrences of Millerite
4.8km (3.0 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
15.8km (9.8 miles) ⓘGerrans Bay (Carne Beach), Veryan, Cornwall, England, UK
21.4km (13.3 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
23.3km (14.5 miles) ⓘPoldhu Cove, Mullion, Cornwall, England, UK
23.9km (14.9 miles) ⓘPengelly Mine (Pengelley Mine), St Ewe, Cornwall, England, UK
24.0km (14.9 miles) ⓘWheal Chance (Wheal Carnath), Pothole, St Mewan, Cornwall, England, UK
36.2km (22.5 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
57.0km (35.4 miles) ⓘWest Wheal Mary Ann (West Mary Ann Mine), Roseland, Menheniot, Cornwall, England, UK
72.6km (45.1 miles) ⓘGreystone Quarry, Lezant, Cornwall, England, UK
References
Lapis 11(2), 33 (1986)
 
and/or  
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