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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Marcasite from
Bjønndalen Quarry, Nittedal, Akershus, Norway


Locality type:Quarry
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Bjønndalen Quarry, Nittedal, Akershus, Norway
Data Identifiers
Mindat Occurrence Record ID:86603
Long-form Identifier:1:3:86603:5
GUID (UUID V4):0
Nearest other occurrences of Marcasite
23.3km (14.5 miles) ⓘHarestua, Lunner, Akershus, Norway
24.6km (15.3 miles) ⓘGjerdingselva, Lunner, Akershus, Norway
31.1km (19.3 miles) ⓘGruakollen, Grua, Lunner, Akershus, Norway
31.6km (19.6 miles) ⓘMidtmoen, Øståsen, Lunner, Akershus, Norway
32.3km (20.0 miles) ⓘSkjerpemyr Mine, Grua mining district, Lunner, Akershus, Norway
49.2km (30.5 miles) ⓘSkjerpevika, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
49.4km (30.7 miles) ⓘByrud Emerald Mines, Minnesund, Eidsvoll, Akershus, Norway
53.4km (33.2 miles) ⓘGlomsrudkollen Zinc Mines, Åmot, Modum, Buskerud, Norway
66.6km (41.4 miles) ⓘRoadcut RV 35, Eidsfoss Church, Eidsfoss, Hof, Holmestrand, Vestfold, Norway
68.9km (42.8 miles) ⓘSolumsåsen Quarry, Holmestrand, Vestfold, Norway
References
Berg, Hans-Jørgen, Ødegård, Einar (2003) Mineralene i Bjønndalen Bruk [The minerals of Bjønndalen Bruk]. Norsk Bergverksmuseum Skrift, 25. 23-28
 
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