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
Juurakko pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland


Locality type:Pegmatite
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Plagioclase1
Arsenopyrite1
Löllingite1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Juurakko pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
Data Identifiers
Mindat Occurrence Record ID:830659
Long-form Identifier:1:3:830659:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
2.1km (1.3 miles) ⓘKatila, Eräjärvi area, Orivesi, Pirkanmaa, Finland
3.9km (2.4 miles) ⓘEräpyhä pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
8.0km (5.0 miles) ⓘViitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland
21.1km (13.1 miles) ⓘKutemajärvi mine, Orivesi, Pirkanmaa, Finland
54.3km (33.8 miles) ⓘMoottoritie, Valkeakoski, Pirkanmaa, Finland
56.0km (34.8 miles) ⓘKurjenkallio, Toijala, Akaa, Pirkanmaa, Finland
63.1km (39.2 miles) ⓘKatuma, Hämeenlinna, Kanta-Häme, Finland
72.7km (45.2 miles) ⓘRenkajärvi, Hattula, Kanta-Häme, Finland
73.5km (45.7 miles) ⓘLake Eno, Päijänne Tavastia, Finland
99.6km (61.9 miles) ⓘHäiviäntien pegmatite, Forssa, Kanta-Häme, Finland
References
Lahti, Seppo I. (1981) On the granitic pegmatites of the Eräjärvi area in Orivesi, southern Finland. Bulletin de la Commission Géologique de Finlande Vol. 314. Geological Survey of Finland
 
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