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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Pyrrhotite from
Spat mine, Herräng ore field, Norrtälje, Stockholm County, Sweden


Locality type:Mine
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Spat mine, Herräng ore field, Norrtälje, Stockholm County, Sweden
Data Identifiers
Mindat Occurrence Record ID:320322
Long-form Identifier:1:3:320322:4
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
11.1km (6.9 miles) ⓘNorra Fjäll, Väddö, Norrtälje, Stockholm County, Sweden
17.8km (11.1 miles) ⓘVäddö, Norrtälje, Stockholm County, Sweden
20.9km (13.0 miles) ⓘStabbygruvan, Stabby ore field, Norrtälje, Stockholm County, Sweden
21.0km (13.1 miles) ⓘSlotts Mine, Stabby ore field, Norrtälje, Stockholm County, Sweden
23.0km (14.3 miles) ⓘSöderby mines, Östhammar, Uppsala County, Sweden
27.7km (17.2 miles) ⓘBorggårde silver mine, Östhammar, Uppsala County, Sweden
27.8km (17.3 miles) ⓘBorggårde, Östhammar, Uppsala County, Sweden
38.8km (24.1 miles) ⓘNorrby Mines, Östhammar, Uppsala County, Sweden
39.7km (24.6 miles) ⓘLiäng Mines, Östhammar, Uppsala County, Sweden
39.9km (24.8 miles) ⓘLiäng Limestone Q., Östhammar, Uppsala 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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