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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Magnetite from
Charlotta mine, Herräng ore field, Norrtälje, Stockholm County, Sweden


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Charlotta mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
Data Identifiers
Mindat Occurrence Record ID:320314
Long-form Identifier:1:3:320314:9
GUID (UUID V4):0
Nearest other occurrences of Magnetite
1.0km (0.6 miles) ⓘMarkdal mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
1.1km (0.7 miles) ⓘSpat mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
1.5km (0.9 miles) ⓘKärr mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
1.6km (1.0 miles) ⓘEknäs mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
1.8km (1.1 miles) ⓘGlitter mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
9.1km (5.6 miles) ⓘRaggarön Mines, Östhammar, Uppsala County, Sweden
10.3km (6.4 miles) ⓘNorra Fjäll (Fjällbacka pegmatite), Väddö, Norrtälje, Stockholm County, Sweden
20.1km (12.5 miles) ⓘBroby Mine, Stabby ore field, Norrtälje, Stockholm County, Sweden
20.3km (12.6 miles) ⓘAnna Mine, Stabby ore field, Norrtälje, Stockholm County, Sweden
20.5km (12.7 miles) ⓘStabbygruvan, Stabby ore field, Norrtälje, Stockholm County, Sweden
References
Geijer, Per, Magnusson, Nils Harald (1944) De mellansvenska järnmalmernas geologi [The geology of the middle Swedish iron ores]. Avhandlingar och uppsatser. Serie Ca 35. P.A. Norstedt & söner p.548
 
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