| Locality type: | Mine |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified, Visual (Fluorescence) |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Ham and Weeks Mine, Wakefield, Carroll County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1014372 |
| Long-form Identifier: | 1:3:1014372:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 27.5km (17.1 miles) | ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA |
| 38.2km (23.7 miles) | ⓘLovejoy Gravel pits, Conway, Carroll County, New Hampshire, USA |
| 39.2km (24.4 miles) | ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA |
| 42.5km (26.4 miles) | ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA |
| 43.5km (27.0 miles) | ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA |
| 56.5km (35.1 miles) | ⓘHeath Quarry, Casco, Cumberland County, Maine, USA |
| 61.8km (38.4 miles) | ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA |
| 71.4km (44.4 miles) | ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA |
| 74.0km (46.0 miles) | ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA |
| 75.1km (46.7 miles) | ⓘHooksett Crushed Stone Quarry, Hooksett, Merrimack County, New Hampshire, USA |
| References |
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Ham and Weeks Mine, Wakefield, Carroll County, New Hampshire, USA