| Locality type: | Tunnel |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Railway tunnel, Fjordveien, Holmestrand, Vestfold, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1007640 |
| Long-form Identifier: | 1:3:1007640:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 8.4km (5.2 miles) | ⓘLøkenåsen, Holmestrand, Vestfold, Norway |
| 8.4km (5.2 miles) | ⓘNordre Jarlsberg Brygge, Selvik, Sande, Holmestrand, Vestfold, Norway |
| 10.4km (6.5 miles) | ⓘSkafjellåsen, Sande, Holmestrand, Vestfold, Norway |
| 10.6km (6.6 miles) | ⓘKjeksrød, Holmestrand, Vestfold, Norway |
| 14.4km (8.9 miles) | ⓘFuglemyr, Hurum, Asker, Akershus, Norway |
| 15.5km (9.6 miles) | ⓘBrentås, Svelvik, Drammen, Buskerud, Norway |
| 17.1km (10.6 miles) | ⓘJuve Quarry, Svelvik, Drammen, Buskerud, Norway |
| 19.1km (11.9 miles) | ⓘHimberg Quarry, Ramnes, Tønsberg, Vestfold, Norway |
| 29.6km (18.4 miles) | ⓘE 134 Road, Drammen, Buskerud, Norway |
| 33.1km (20.6 miles) | ⓘSauesetra, Lier, Buskerud, Norway |
| References |
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