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Tourmaline from
Björkdal Mine, Sandfors, Skellefteå, Västerbotten County, Sweden


Locality type:Mine
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Comments:Dravitic tourmaline
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Björkdal Mine, Sandfors, Skellefteå, Västerbotten County, Sweden
Data Identifiers
Mindat Occurrence Record ID:720225
Long-form Identifier:1:3:720225:4
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
1.1km (0.7 miles) ⓘHebbersfors (Häbbersfors), Sandfors, Skellefteå, Västerbotten County, Sweden
13.1km (8.2 miles) ⓘÅkerberg mine, Skellefteå, Västerbotten County, Sweden
13.9km (8.7 miles) ⓘBoliden Mine, Boliden, Skellefteå, Västerbotten County, Sweden
16.4km (10.2 miles) ⓘVaruträsk, Skellefteå, Västerbotten County, Sweden
25.6km (15.9 miles) ⓘPetiknäs mine, Boliden, Skellefteå, Västerbotten County, Sweden
52.5km (32.6 miles) ⓘHolmtjärn Mine, Norsjö, Västerbotten County, Sweden
60.5km (37.6 miles) ⓘMensträsk, Norsjö, Västerbotten County, Sweden
72.6km (45.1 miles) ⓘKluntarna, Piteå, Norrbotten County, Sweden
83.6km (51.9 miles) ⓘLainijaur Mine (Lainejaur), Malå, Västerbotten County, Sweden
94.6km (58.8 miles) ⓘLaver Mine, Älvsbyn, Norrbotten County, Sweden
References
Grensman, Fredrik (1989) Björkdalsgruvan. NAGS-NYTT, 16 (2) 15
Nysten, Per (1990) Tsumoite from the Björkdal gold deposit, Västerbotten County, northern Sweden. Geologiska Föreningen i Stockholm Förhandlingar, 112 (1) 59-60 doi:10.1080/11035899009453161
Mäki, T. (1997). Volcanic hosted massive sulphide and gold deposits in the Skellefte district, Sweden and western Finland. Geological Survey of Finland.
 
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