| Locality type: | Construction Site |
| Classification |
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| Species: | Siderite |
| Formula: | FeCO3 |
| Comments: | Most siderite has been altered to goethite. |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Siderite data |
| Locality Data: | Click here to view Blackburn Circle locality, Gloucester, Essex County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 624180 |
| Long-form Identifier: | 1:3:624180:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Siderite |
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| 1.4km (0.9 miles) | ⓘRailcut Hill, Gloucester, Essex County, Massachusetts, USA |
| 24.2km (15.0 miles) | ⓘDevil's Basin, Newbury, Essex County, Massachusetts, USA |
| 24.6km (15.3 miles) | ⓘDevil's Den (Devil's Den lime pit), Newbury, Essex County, Massachusetts, USA |
| 26.0km (16.2 miles) | ⓘAggregate Industries Quarry (Lynn Sand and Stone Co. Quarry; Bardon Trimount Quarry; Hume Quarry), Swampscott, Essex County, Massachusetts, USA |
| 26.3km (16.3 miles) | ⓘChipman Mine (Merrimac Mine; Newburyport lead-silver mine), Newbury, Essex County, Massachusetts, USA |
| 51.4km (31.9 miles) | ⓘFallon Brothers Quarry, Quincy, Norfolk County, Massachusetts, USA |
| 57.6km (35.8 miles) | ⓘMassachusetts Broken Stone Co. quarries (Weston Quarry; Stony Brook Quarry), Weston, Middlesex County, Massachusetts, USA |
| 60.3km (37.5 miles) | ⓘAggregate Industries Quarry, Raymond, Rockingham County, New Hampshire, USA |
| 81.5km (50.6 miles) | ⓘInterstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex County, Massachusetts, USA |
| 84.5km (52.5 miles) | ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA |
| References |
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Blackburn Circle locality, Gloucester, Essex County, Massachusetts, USA