| Locality type: | Quarry |
| 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 Kristiansen Quarry (Bånkall Quarry), Bånkall, Grorud, Oslo, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 293115 |
| Long-form Identifier: | 1:3:293115:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 1.0km (0.6 miles) | ⓘGjelleråsen, Nittedal, Akershus, Norway |
| 2.5km (1.6 miles) | ⓘHuken Quarry, Grorud, Oslo, Norway |
| 2.6km (1.6 miles) | ⓘBjønndalen Quarry, Nittedal, Akershus, Norway |
| 16.2km (10.1 miles) | ⓘDelebekken Quarry, Nittedal, Akershus, Norway |
| 27.0km (16.8 miles) | ⓘGjerdingselva, Lunner, Akershus, Norway |
| 34.2km (21.2 miles) | ⓘMidtmoen, Øståsen, Lunner, Akershus, Norway |
| 35.1km (21.8 miles) | ⓘVardåsen Tunnel, Asker, Akershus, Norway |
| 35.1km (21.8 miles) | ⓘHeggedalsveien, Asker, Akershus, Norway |
| 39.0km (24.2 miles) | ⓘLierskogen Quarry, Lierskogen, Lier, Buskerud, Norway |
| 47.3km (29.4 miles) | ⓘSauesetra, Lier, Buskerud, Norway |
| References |
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