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
Merrivale Quarry, Whitchurch, West Devon, Devon, England, UK


Locality type:Quarry
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 Merrivale Quarry, Whitchurch, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:1000494
Long-form Identifier:1:3:1000494:4
GUID (UUID V4):0
Nearest other occurrences of Muscovite
14.1km (8.8 miles) ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
15.9km (9.9 miles) ⓘStoke Climsland Consols (?), Stokeclimsland, Cornwall, England, UK
16.0km (9.9 miles) ⓘNew Consols (New Great Consols; New Wheal Martha; Great Wheal Martha; Wheal Martha), Luckett, Callington, Stokeclimsland, Cornwall, England, UK
16.8km (10.4 miles) ⓘRunnaford Combe Mine (Combe Mine), West Buckfastleigh, Teignbridge, Devon, England, UK
16.8km (10.4 miles) ⓘMeldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
17.1km (10.6 miles) ⓘHemerdon Tungsten Mine (Drakelands Mine), Sparkwell, South Hams, Devon, England, UK
18.7km (11.6 miles) ⓘWheal Florence (Mary and Florence Consols; Florence and Tonkin United Mine), Callington Consols, Callington, Cornwall, England, UK
19.0km (11.8 miles) ⓘGreystone Quarry, Lezant, Cornwall, England, UK
19.4km (12.1 miles) ⓘRedmoor Mine (East Cornwall United Mines), Callington United Mines (incl. Emmens United Mines), Stokeclimsland, Cornwall, England, UK
27.4km (17.0 miles) ⓘDarley Mine (North Phoenix Mine), Darley, Linkinhorne, Cornwall, England, UK
References
Min Mag 21:116-205
 
and/or  
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