| Locality type: | Mine |
| 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 Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 685701 |
| Long-form Identifier: | 1:3:685701:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal-AN |
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| 64.6km (40.2 miles) | ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA |
| 64.7km (40.2 miles) | ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA |
| 65.5km (40.7 miles) | ⓘLovejoy Gravel pits, Conway, Carroll County, New Hampshire, USA |
| 71.3km (44.3 miles) | ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA |
| 77.4km (48.1 miles) | ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA |
| 77.9km (48.4 miles) | ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA |
| 81.1km (50.4 miles) | ⓘHooksett Crushed Stone Quarry, Hooksett, Merrimack County, New Hampshire, USA |
| 84.2km (52.3 miles) | ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA |
| 89.3km (55.5 miles) | ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA |
| 91.5km (56.9 miles) | ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA |
| References |
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Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA