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
Williams Mine (Page Williams Mine), Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada


Locality type:Mine
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 Williams Mine (Page Williams Mine), Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:280331
Long-form Identifier:1:3:280331:9
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.6km (0.4 miles) ⓘHemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
1.2km (0.7 miles) ⓘGolden Giant Mine, Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
2.0km (1.2 miles) ⓘDavid Bell Mine, Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
6.4km (4.0 miles) ⓘFearless-Python property, Thunder Bay District, Ontario, Canada
31.2km (19.4 miles) ⓘFleck occurrence (American Brass; Two Duck Lake), O'Neill Township, Thunder Bay District, Ontario, Canada
31.4km (19.5 miles) ⓘWhite River area, Thunder Bay District, Ontario, Canada
52.0km (32.3 miles) ⓘGeco Mine, Gemmell Township, Thunder Bay District, Ontario, Canada
54.9km (34.1 miles) ⓘColdwell complex, Thunder Bay District, Ontario, Canada
67.7km (42.1 miles) ⓘSugar Zone deposit, Hambleton Township, Thunder Bay District, Ontario, Canada
References
M. Bonnemaison, J. Delair, F. Tollon, Chron. Rech. Min., N° 486, 1987, pp 81-84.
Franklin, J.M., Schnieders, B.R., Koopman, E.R. (1991) Mineral Deposits in the western Superior Province, Ontario (Field Trip 9) Geological Survey of Canada, Open File 2164.
Powell, Wayne G., Pattison, David R. M. (1997) An exsolution origin for low-temperature sulfides at the Hemlo gold deposit, Ontario, Canada. Economic Geology, 92 (5) 569-577 doi:10.2113/gsecongeo.92.5.569
 
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