| Locality type: | Tunnel |
| Classification |
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| Species: | Topaz |
| Formula: | Al2(SiO4)(F,OH)2 |
| Comments: | microcrystals on quartz |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Topaz data |
| Locality Data: | Click here to view Elgskauåsen tunnel, Røyken, Asker, Akershus, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 558560 |
| Long-form Identifier: | 1:3:558560:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Topaz |
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| 3.4km (2.1 miles) | ⓘJerdal, Røyken, Asker, Akershus, Norway |
| 3.5km (2.2 miles) | ⓘGrimsrudbukta, Røyken, Asker, Akershus, Norway |
| 4.2km (2.6 miles) | ⓘGrimsrud Molybdenum prospect, Hurum, Asker, Akershus, Norway |
| 4.7km (2.9 miles) | ⓘRørvik Molybdenum Mine, Rørvik, Hurum, Asker, Akershus, Norway |
| 5.4km (3.3 miles) | ⓘSætre, Hurum, Asker, Akershus, Norway |
| 6.3km (3.9 miles) | ⓘLangemyr, Sætre, Hurum, Asker, Akershus, Norway |
| 6.7km (4.2 miles) | ⓘGrønlia, Svelvik, Drammen, Buskerud, Norway |
| 9.0km (5.6 miles) | ⓘJuve Quarry, Svelvik, Drammen, Buskerud, Norway |
| 9.5km (5.9 miles) | ⓘSpro pegmatite, Nesodden, Akershus, Norway |
| 10.3km (6.4 miles) | ⓘMariås, Svelvik, Drammen, Buskerud, Norway |
| References |
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