| Locality type: | Pegmatite |
| Classification |
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| Species: | Dravite |
| Formula: | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Danburite | ⓘ2 photos of Dravite associated with Danburite at this locality. |
| Amazonite | ⓘ2 photos of Dravite associated with Amazonite at this locality. |
| Phenakite | ⓘ2 photos of Dravite associated with Phenakite at this locality. |
| Danalite | ⓘ2 photos of Dravite associated with Danalite at this locality. |
| Data |
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| Mineral Data: | Click here to view Dravite data |
| Locality Data: | Click here to view Bakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 416223 |
| Long-form Identifier: | 1:3:416223:0 |
| GUID (UUID V4): | 439401b9-933e-443a-a408-343c6c1aa41d |
| Nearest other occurrences of Dravite |
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| 33.9km (21.1 miles) | ⓘSkuterud Mines, Modum West, Modum, Buskerud, Norway |
| 38.8km (24.1 miles) | ⓘSnarum, Modum, Buskerud, Norway |
| 64.2km (39.9 miles) | ⓘMule nursery home, Mule, Porsgrunn, Telemark, Norway |
| 66.8km (41.5 miles) | ⓘKittilsland Mine, Nore og Uvdal, Viken, Norway |
| 73.3km (45.6 miles) | ⓘBlika gold mine, Svartdal, Seljord, Telemark, Norway |
| 81.2km (50.5 miles) | ⓘHavredal feldspar quarry, Midtre Havredal, Havredal, Bamble, Telemark, Norway |
| 84.7km (52.6 miles) | ⓘBjordam, Bamble, Telemark, Norway |
| 87.5km (54.4 miles) | ⓘListaulli Mine, Kviteseid, Telemark, Norway |
| 91.2km (56.7 miles) | ⓘValberg Quarry, Valberg, Kragerø, Telemark, Norway |
| 92.1km (57.3 miles) | ⓘKammerfoss area, Kragerø, Telemark, Norway |
| References |
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Jahren, J., Berg, Hans-Jørgen, Hurum, Jørn H., Wulff-Pedersen, E. (1998) Nye undersøkelser av amazonitt- genthelvin pegmatitten fra Fiskum, Øvre Eiker [New investigation on the amazonite-genthelvite pegmatite of Fiskum, Øvre Eiker]. Norsk Bergverksmuseum Skrift, 14. 13-16 |
| Reference Search (possible matching items) |
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 | | Thesis/Dissertation | | petrology of the amazonite pegmatite at Bakstevalåsen, øvre Eiker Øyvind Sunde Mineralogy and petrology...petrology of the amazonite pegmatite at Bakstevalåsen, øvre Eiker Øyvind Sunde Master Thesis in Geosciences...Hand specimen of the amazonite pegmatite at Bakstevalåsen measuring a 15 cm cross-section with amazonite...alkali granite intrusive complexes in the Oslo Rift, Norway. The aim is to investigate the mineralogy and petrogenesis...amazonite pegmatite located at Bakstevalåsen in the øvre-Eiker district of Buskerud county. The pegmatite was |  | Sunde, Øyvind, Friis, Henrik, Andersen, Tom, Trumbull, Robert B., Wiedenbeck, Michael, Lyckberg, Peter, Agostini, Samuele, Casey, William H., Yu, Ping (2020) Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites. Lithos, 352. 105293 doi:10.1016/j.lithos.2019.105293 | Journal (article/letter/editorial) | | University of Oslo, P.O. Box 1172, Blindern, 0318 Oslo, Norway b oo f Department of Geosciences, University...University of Oslo, P.O. Box 1047, Blindern, 0316 Oslo, Norway GFZ German Research Centre for Geosciences Potsdam...Complex (Norway) and one peralkaline pegmatite related to the nearby Eikeren-Skrim Complex (Norway), where...Eikeren-Skrim Complex (ESC) in the Oslo Rift of Norway, and (ii) to determine empirical B-isotope fractionation...nepheline syenite pegmatites from the Oslo Rift, Norway, (ii): One peralkaline pegmatite in the Oslo Rift |
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