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
Østskogen Quarry, Tvedalen, Larvik Commune, Vestfold, Norway


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 Østskogen Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
Data Identifiers
Mindat Occurrence Record ID:679062
Long-form Identifier:1:3:679062:2
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.6km (1.0 miles) ⓘTuften, Tvedalen, Larvik Commune, Vestfold, Norway
2.2km (1.3 miles) ⓘVevja Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
2.6km (1.6 miles) ⓘBarkevika, Barkevik area, Larvik Commune, Vestfold, Norway
3.3km (2.1 miles) ⓘBiong, Barkevik area, Larvik Commune, Vestfold, Norway
3.4km (2.1 miles) ⓘSaga 1 Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
4.1km (2.5 miles) ⓘSkolebukta, Håøya, Porsgrunn, Telemark, Norway
6.5km (4.0 miles) ⓘTangane, Siktesøya, Porsgrunn, Telemark, Norway
7.0km (4.4 miles) ⓘVardåsen Quarry, Malerød, Larvik Commune, Vestfold, Norway
9.6km (6.0 miles) ⓘNattmannsodden, Rakke, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
10.1km (6.3 miles) ⓘVadholmen, Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
References
Larsen, Alf Olav; Andersen, Frode; Dahlgren, Sven; Larsen, Knut Edvard; Burvald, Ingulv - Ed. (2010) The Langesundsfjord - History, geology, pegmatites, minerals. Bode Verlag Gmbh. 240 pp.
 
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