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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Sericite from
Geco Mine, Gemmell Township, Thunder Bay District, Ontario, Canada


Locality type:Mine
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Comments:Occurs in an Archean Cu-Zn massive sulfide deposit.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Geco Mine, Gemmell Township, Thunder Bay District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:65922
Long-form Identifier:1:3:65922:2
GUID (UUID V4):0
Nearest other occurrences of Sericite
51.9km (32.2 miles) ⓘGolden Giant Mine, Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
52.0km (32.3 miles) ⓘHemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
52.0km (32.3 miles) ⓘDavid Bell Mine, Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
52.0km (32.3 miles) ⓘWilliams Mine (Page Williams Mine), Hemlo gold deposit, Bomby Township, Thunder Bay District, Ontario, Canada
52.3km (32.5 miles) ⓘFearless-Python property, Thunder Bay District, Ontario, Canada
57.1km (35.5 miles) ⓘFleck occurrence (American Brass; Two Duck Lake), O'Neill Township, Thunder Bay District, Ontario, Canada
References
Spry, P.G. (1983) An unusual gahnite-forming reaction, Geco base-metal deposit, Manitouwadge, Ontario. The Canadian Mineralogist: 20(4): 549–553.
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.
 
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