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
Moottoritie, Valkeakoski, Pirkanmaa, Finland


Locality type:Pegmatite
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Moottoritie, Valkeakoski, Pirkanmaa, Finland
Data Identifiers
Mindat Occurrence Record ID:855334
Long-form Identifier:1:3:855334:8
GUID (UUID V4):0
Nearest other occurrences of Muscovite
17.0km (10.5 miles) ⓘKurjenkallio, Toijala, Akaa, Pirkanmaa, Finland
19.2km (12.0 miles) ⓘRenkajärvi, Hattula, Kanta-Häme, Finland
27.6km (17.2 miles) ⓘKatuma, Hämeenlinna, Kanta-Häme, Finland
45.7km (28.4 miles) ⓘHäiviäntien pegmatite, Forssa, Kanta-Häme, Finland
46.7km (29.0 miles) ⓘKiimassuo pegmatite, Forssa, Kanta-Häme, Finland
48.6km (30.2 miles) ⓘSukula Pegmatites, Tammela, Kanta-Häme, Finland
52.0km (32.3 miles) ⓘHirvikallio, Tammela, Kanta-Häme, Finland
52.4km (32.6 miles) ⓘKatila, Eräjärvi area, Orivesi, Pirkanmaa, Finland
52.7km (32.7 miles) ⓘEräpyhä pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
53.7km (33.3 miles) ⓘHärksaari Quarry, Tammela, Kanta-Häme, Finland
References
Ilkka Mikkola collection
 
and/or  
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