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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Muscovite from
South Crofty Mine, Pool, Carn Brea, Cornwall, England, UK


Locality type:Project
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view South Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:603271
Long-form Identifier:1:3:603271:5
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.7km (0.4 miles) ⓘDolcoath Mine, Camborne, Cornwall, England, UK
6.9km (4.3 miles) ⓘWheal Gorland, St Day, Cornwall, England, UK
7.4km (4.6 miles) ⓘWheal Unity Wood (Tolgullow United Mine; West Poldice Mine), Chacewater, Cornwall, England, UK
7.8km (4.8 miles) ⓘBalmynheer Mine, Porkellis, Wendron, Cornwall, England, UK
7.8km (4.8 miles) ⓘWheal Maid, Gwennap, Cornwall, England, UK
8.0km (5.0 miles) ⓘWheal Concord, East Treskerby Mine, Skinners Bottom, St Agnes, Cornwall, England, UK
8.1km (5.0 miles) ⓘPoldice Mine, St Day United Mines (Poldice Mines), Gwennap, Cornwall, England, UK
8.2km (5.1 miles) ⓘGreat Wheal Busy (Chacewater Mine), Chacewater, Cornwall, England, UK
8.5km (5.3 miles) ⓘBassett & Grylls Mine (Porkellis Mine; Porkellis Tin Mines; Wheal Jantar; Balwath Mine), Porkellis, Wendron, Cornwall, England, UK
9.6km (6.0 miles) ⓘMount Wellington Mine (Wheal Magpie), Cusgarne, Gwennap, Cornwall, England, UK
References
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.317-326
 
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