| Locality type: | Hill |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Opal-AN data |
| Locality Data: | Click here to view Railcut Hill, Gloucester, Essex County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 752993 |
| Long-form Identifier: | 1:3:752993:1 |
| GUID (UUID V4): | 74c10c66-13d5-4fbb-ac58-ed3eccd5053d |
| Nearest other occurrences of Opal-AN |
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| 1.4km (0.9 miles) | ⓘBlackburn Circle locality, Gloucester, Essex County, Massachusetts, USA |
| 25.0km (15.5 miles) | ⓘDevil's Basin, Newbury, Essex County, Massachusetts, USA |
| 35.7km (22.2 miles) | ⓘRoute 114 calc-silicate locality, North Andover, Essex County, Massachusetts, USA |
| 43.7km (27.1 miles) | ⓘBlueberry Mountain Quarry (Blueberry Hill), Woburn, Middlesex County, Massachusetts, USA |
| 55.1km (34.2 miles) | ⓘPJ Keating Quarry (Dracut Quarry; Condon Quarry; Essex Bituminous), Dracut, Middlesex County, Massachusetts, USA |
| 58.2km (36.2 miles) | ⓘWest Roxbury Crushed Stone Quarry (West Roxbury Trap Rock Co. Quarry; Grove St. Quarry), West Roxbury, Boston, Suffolk County, Massachusetts, USA |
| 58.4km (36.3 miles) | ⓘLedge Road, Windham, Rockingham County, New Hampshire, USA |
| 59.0km (36.6 miles) | ⓘMassachusetts Broken Stone Co. quarries (Weston Quarry; Stony Brook Quarry), Weston, Middlesex County, Massachusetts, USA |
| 74.1km (46.0 miles) | ⓘMerrimack, Hillsborough County, New Hampshire, USA |
| 76.4km (47.5 miles) | ⓘRoute 101A construction site, Merrimack, Hillsborough County, New Hampshire, USA |
| References |
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Railcut Hill, Gloucester, Essex County, Massachusetts, USA