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
Pengelly Mine (Pengelley Mine), St Ewe, 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 Pengelly Mine (Pengelley Mine), St Ewe, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:7685
Long-form Identifier:1:3:7685:2
GUID (UUID V4):0
Nearest other occurrences of Millerite
2.5km (1.6 miles) ⓘWheal Chance (Wheal Carnath), Pothole, St Mewan, Cornwall, England, UK
12.5km (7.8 miles) ⓘGerrans Bay (Carne Beach), Veryan, Cornwall, England, UK
12.7km (7.9 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
23.9km (14.9 miles) ⓘUnited Mines (Gwennap United Mines), Clifford Amalgamated Mines, Gwennap, Cornwall, England, UK
28.6km (17.8 miles) ⓘWheal Sparnon, Redruth, Cornwall, England, UK
33.3km (20.7 miles) ⓘWest Wheal Mary Ann (West Mary Ann Mine), Roseland, Menheniot, Cornwall, England, UK
42.4km (26.4 miles) ⓘPoldhu Cove, Mullion, Cornwall, England, UK
45.2km (28.1 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
50.0km (31.1 miles) ⓘGreystone Quarry, Lezant, Cornwall, England, UK
References
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 2. Geological Survey of Great Britain.
 
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