| Locality type: | Quarry |
| Classification |
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| Species: | Pyrite |
| Formula: | FeS2 |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Hornblende Root Name Group | 4 |
| Quartz | 4 |
| Chamosite | 1 |
| Data |
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| Mineral Data: | Click here to view Pyrite data |
| Locality Data: | Click here to view Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 38602 |
| Long-form Identifier: | 1:3:38602:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyrite |
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| 12.1km (7.5 miles) | ⓘMarlborough Junction locality, Marlborough, Middlesex County, Massachusetts, USA |
| 17.1km (10.6 miles) | ⓘInterstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex County, Massachusetts, USA |
| 17.9km (11.1 miles) | ⓘWheelabrator/Shrewsbury Ash Monofill Facility, Shrewsbury, Worcester County, Massachusetts, USA |
| 20.4km (12.6 miles) | ⓘInterstate Route 495/State Route 62 interchange (I-495 exit #26), Berlin, Worcester County, Massachusetts, USA |
| 21.1km (13.1 miles) | ⓘLorusso Wrentham Quarry, Wrentham, Norfolk County, Massachusetts, USA |
| 22.5km (14.0 miles) | ⓘMassachusetts Broken Stone Co. quarries (Weston Quarry; Stony Brook Quarry), Weston, Middlesex County, Massachusetts, USA |
| 22.9km (14.2 miles) | ⓘSheldonville Gold Mine (Wrentham Gold Mine), Wrentham, Norfolk County, Massachusetts, USA |
| 23.9km (14.8 miles) | ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA |
| 24.4km (15.2 miles) | ⓘWorcester Coal Mine, Worcester, Worcester County, Massachusetts, USA |
| 24.7km (15.3 miles) | ⓘAggregate Industries Quarry (Wrentham Quarry; Simeone Quarry), Wrentham, Norfolk County, Massachusetts, USA |
| References |
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Aggregate Industries Quarry, Ashland, Middlesex County, Massachusetts, USA