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Dravite from
Snarum, Modum, Buskerud, Norway


Locality type:Parish
Classification
Species:Dravite
Formula:NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:Dunn et al (1977) analyzes 4 crystals from 2 specimens of black tourmaline associated with calcite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dravite data
Locality Data:Click here to view Snarum, Modum, Buskerud, Norway
Data Identifiers
Mindat Occurrence Record ID:630276
Long-form Identifier:1:3:630276:4
GUID (UUID V4):0
Nearest other occurrences of Dravite
5.0km (3.1 miles) ⓘSkuterud Mines, Modum West, Modum, Buskerud, Norway
38.8km (24.1 miles) ⓘBakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway
47.9km (29.8 miles) ⓘKittilsland Mine, Nore og Uvdal, Buskerud, Norway
59.3km (36.8 miles) ⓘNoretippen, Rødberg, Nore og Uvdal, Buskerud, Norway
88.1km (54.7 miles) ⓘBlika gold mine, Svartdal, Seljord, Telemark, Norway
References
Nelen, Joseph A., Dunn, Pete J., Appleman, Daniel, Norberg, Julie (1977) Uvite, a New (Old) Common Member of the Tourmaline Group and Its Implications for Collectors. The Mineralogical Record, 8 (2) 100-108
Larsen, Alf Olav, Nordrum, Fred Steinar, Austrheim, Haakon (1999) Turmaliner i Norge [Tourmalines in Norway]. Norsk Bergverksmuseum Skrift, 15. Norsk Bergverksmuseum (Norwegian Mining Museum) 21-30 analysis of dravite
 
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