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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Nickeline from
Roskrow United Mine, Perranarworthal, Cornwall, England, UK


Locality type:Mine
Classification
Species:Nickeline
Formula:NiAs
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nickeline data
Locality Data:Click here to view Roskrow United Mine, Perranarworthal, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:8084
Long-form Identifier:1:3:8084:2
GUID (UUID V4):0
Nearest other occurrences of Nickeline
5.1km (3.2 miles) ⓘWheal Jane, Kea, Cornwall, England, UK
7.3km (4.5 miles) ⓘPednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK
24.2km (15.0 miles) ⓘPengelly Mine (Pengelley Mine), St Ewe, Cornwall, England, UK
24.4km (15.2 miles) ⓘSt Austell Consols (incl. Wheal Hawkins), Downderry, St Stephen-in-Brannel, Cornwall, England, UK
24.7km (15.3 miles) ⓘWheal Chance (Wheal Carnath), Pothole, St Mewan, Cornwall, England, UK
30.9km (19.2 miles) ⓘPenlee Quarry, Newlyn, Penzance, Cornwall, England, UK
36.8km (22.9 miles) ⓘFowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath and Par, Cornwall, England, UK
87.1km (54.1 miles) ⓘBlack Down (Blackdown), Mary Tavy, West Devon, Devon, England, UK
References
Hill, J. B., MacAlister, D. A. (1906) The Geology of Falmouth and Truro and of the Mining District of Camborne and Redruth - Memoirs of the Geological Survey. Geological Survey of Great Britain.
 
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