| Locality type: | Occurrence |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Colour: | colorless, white, blue-green |
| 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 Route 62 locality (Potash Hill), Hudson, Middlesex County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1004191 |
| Long-form Identifier: | 1:3:1004191:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 5.4km (3.3 miles) | ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA |
| 8.2km (5.1 miles) | ⓘMarlborough Junction locality, Marlborough, Middlesex County, Massachusetts, USA |
| 15.2km (9.4 miles) | ⓘJungle Road area, Leominster, Worcester County, Massachusetts, USA |
| 20.3km (12.6 miles) | ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA |
| 24.2km (15.1 miles) | ⓘSouth Street construction site, Fitchburg, Worcester County, Massachusetts, USA |
| 24.9km (15.5 miles) | ⓘRoute 13 area, Lunenburg, Worcester County, Massachusetts, USA |
| 26.5km (16.5 miles) | ⓘMassachusetts Broken Stone Co. quarries (Weston Quarry; Stony Brook Quarry), Weston, Middlesex County, Massachusetts, USA |
| 27.0km (16.8 miles) | ⓘRollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA |
| 38.5km (23.9 miles) | ⓘWest Roxbury Crushed Stone Quarry (West Roxbury Trap Rock Co. Quarry; Grove St. Quarry), West Roxbury, Boston, Suffolk County, Massachusetts, USA |
| 38.6km (24.0 miles) | ⓘBlueberry Mountain Quarry (Blueberry Hill), Woburn, Middlesex County, Massachusetts, USA |
| References |
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Route 62 locality, Hudson, Middlesex County, Massachusetts, USA