| 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 Black Mountain Quarry, Rumford, Oxford County, Maine, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 985443 |
| Long-form Identifier: | 1:3:985443:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 7.5km (4.6 miles) | ⓘBell pit, Newry, Oxford County, Maine, USA |
| 7.6km (4.7 miles) | ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA |
| 7.7km (4.8 miles) | ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA |
| 28.2km (17.5 miles) | ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA |
| 29.4km (18.3 miles) | ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA |
| 30.8km (19.1 miles) | ⓘDonahue Quarry (Donahue Prospect), Albany, Oxford County, Maine, USA |
| 32.0km (19.9 miles) | ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA |
| 32.4km (20.1 miles) | ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA |
| 35.2km (21.9 miles) | ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA |
| 36.9km (22.9 miles) | ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA |
| References |
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