| Locality type: | Pegmatite |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6(T6O18)(BO3)3X3Z |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Bakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 840331 |
| Long-form Identifier: | 1:3:840331:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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|
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| 14.3km (8.9 miles) | ⓘRyggkollen, Mjøndalen, Drammen, Buskerud, Norway |
| 14.3km (8.9 miles) | ⓘBatteriet, Åssiden, Drammen, Buskerud, Norway |
| 14.7km (9.1 miles) | ⓘSolbergmoen, Åssiden, Drammen, Buskerud, Norway |
| 15.9km (9.9 miles) | ⓘKisgruva, Kongsberg, Buskerud, Norway |
| 17.5km (10.9 miles) | ⓘE 134 Road, Drammen, Buskerud, Norway |
| 25.1km (15.6 miles) | ⓘSætersbergåsen, Modum, Buskerud, Norway |
| 26.7km (16.6 miles) | ⓘØksne Quarry, Lier, Buskerud, Norway |
| 26.8km (16.7 miles) | ⓘØvre Lahell Quarry, Lier, Buskerud, Norway |
| 33.8km (21.0 miles) | ⓘVardåsen Tunnel, Asker, Akershus, Norway |
| 33.9km (21.1 miles) | ⓘSkuterud Mines, Modum West, Modum, Buskerud, Norway |
| References |
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Sunde, Øyvind, Selbekk, Rune S., Friis, Henrik, Andersen, Tom (2013) Bakstevalåsen, en unik Be-Sn-B pegmatitt [Bakstevalåsen, an unique Be-Sn-B pegmatite]. Norsk Bergverksmuseum Skrift, 50. 43-48 |
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