| Locality type: | Quarry |
| Classification |
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| Species: | Opal var: Opal-AN |
| Formula: | SiO2 · nH2O |
| Habit: | amorphous coating |
| Colour: | cololress |
| Luminescent properties: | green |
| 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-AN data |
| Locality Data: | Click here to view Rollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 363496 |
| Long-form Identifier: | 1:3:363496:7 |
| GUID (UUID V4): | e173cf06-706d-4eac-a02a-eb4b342e40b8 |
| Nearest other occurrences of Opal-AN |
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| 2.8km (1.7 miles) | ⓘSouth Street construction site, Fitchburg, Worcester County, Massachusetts, USA |
| 4.7km (2.9 miles) | ⓘRoute 13 area, Lunenburg, Worcester County, Massachusetts, USA |
| 12.0km (7.5 miles) | ⓘJungle Road area, Leominster, Worcester County, Massachusetts, USA |
| 25.3km (15.7 miles) | ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA |
| 27.0km (16.8 miles) | ⓘRoute 62 locality (Potash Hill), Hudson, Middlesex County, Massachusetts, USA |
| 32.6km (20.2 miles) | ⓘWilton Crushed Stone Quarry, Wilton, Hillsborough County, New Hampshire, USA |
| 32.8km (20.4 miles) | ⓘRoute 101A construction site, Merrimack, Hillsborough County, New Hampshire, USA |
| 35.2km (21.9 miles) | ⓘMarlborough Junction locality, Marlborough, Middlesex County, Massachusetts, USA |
| 36.0km (22.4 miles) | ⓘQuabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA |
| 41.1km (25.5 miles) | ⓘMerrimack, Hillsborough County, New Hampshire, USA |
| References |
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