| Locality type: | Quarry |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view Heath Quarry, Casco, Cumberland County, Maine, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 388591 |
| Long-form Identifier: | 1:3:388591:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal-AN |
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| 17.5km (10.9 miles) | ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA |
| 29.7km (18.4 miles) | ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA |
| 29.9km (18.6 miles) | ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA |
| 32.7km (20.3 miles) | ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA |
| 32.8km (20.4 miles) | ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA |
| 35.2km (21.9 miles) | ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA |
| 35.3km (21.9 miles) | ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA |
| 40.6km (25.2 miles) | ⓘYedlin Locality, Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA |
| 42.3km (26.3 miles) | ⓘWilliam Willes #1 Quarry, Topsham, Sagadahoc County, Maine, USA |
| 45.6km (28.3 miles) | ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA |
| References |
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Heath Quarry, Casco, Cumberland County, Maine, USA