Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Jacobsite from
Unga Assersorskan Mine, Norberg, Västmanland County, Sweden


Locality type:Mine
Classification
Species:Jacobsite
Formula:Mn2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Jacobsite data
Locality Data:Click here to view Unga Assersorskan Mine, Norberg, Västmanland County, Sweden
Data Identifiers
Mindat Occurrence Record ID:1262235
Long-form Identifier:1:3:1262235:5
GUID (UUID V4):0
Nearest other occurrences of Jacobsite
6.7km (4.2 miles) ⓘHäste ore field, Norberg, Västmanland County, Sweden
32.5km (20.2 miles) ⓘGarpenberg Norra Mine, Garpenberg, Hedemora, Dalarna County, Sweden
63.3km (39.4 miles) ⓘGladtjärns Mine, Nyberget ore field, Nyberget, Lindesberg, Örebro County, Sweden
64.4km (40.0 miles) ⓘSlöjdartorp, Nyberget ore field, Nyberget, Lindesberg, Örebro County, Sweden
64.7km (40.2 miles) ⓘMangruvan, Nyberget ore field, Nyberget, Lindesberg, Örebro County, Sweden
86.7km (53.9 miles) ⓘSjögruvan, Grythyttan, Hällefors, Örebro County, Sweden
92.0km (57.1 miles) ⓘGåsborn, Filipstad, Värmland County, Sweden
95.5km (59.3 miles) ⓘStora Pajsberg Mine, Pajsberg, Persberg ore district, Filipstad, Värmland County, Sweden
95.6km (59.4 miles) ⓘHarstigen Mine, Pajsberg, Persberg ore district, Filipstad, Värmland County, Sweden
95.7km (59.5 miles) ⓘThe Pole dump, Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
References
Nysten, Per, Lorin, Torbjörn (2016) Nyupptäckta Ca-, Mn-, Pb-, Ba-, As- och Sb-förande mineral i Norbergs malmtrakt [Newly discovered Ca-, Mn-, Pb-, Ba-, As- and Sb-bearing minerals in Norberg's ore tract]. Långbansnytt, 22 (1) 7-19
 
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