| Locality type: | Quarry |
| Classification |
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| Species: | Diopside |
| Formula: | CaMgSi2O6 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Diopside data |
| Locality Data: | Click here to view PJ Keating Quarry (Lunenburg Quarry), Lunenburg, Worcester County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 782850 |
| Long-form Identifier: | 1:3:782850:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Diopside |
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| 7.3km (4.5 miles) | ⓘRoute 13 area, Lunenburg, Worcester County, Massachusetts, USA |
| 13.7km (8.5 miles) | ⓘOld lime quarries, Littleton, Middlesex County, Massachusetts, USA |
| 15.1km (9.4 miles) | ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA |
| 25.9km (16.1 miles) | ⓘMarlborough Junction locality, Marlborough, Middlesex County, Massachusetts, USA |
| 27.9km (17.3 miles) | ⓘChelmsford Lime Quarries, Chelmsford, Middlesex County, Massachusetts, USA |
| 36.2km (22.5 miles) | ⓘPJ Keating Quarry (Dracut Quarry; Condon Quarry; Essex Bituminous), Dracut, Middlesex County, Massachusetts, USA |
| 45.5km (28.2 miles) | ⓘJoppa Hill, Amherst, Hillsborough County, New Hampshire, USA |
| 46.4km (28.9 miles) | ⓘPulpit Road locality, Bedford, Hillsborough County, New Hampshire, USA |
| 51.7km (32.1 miles) | ⓘRoute 114 calc-silicate locality, North Andover, Essex County, Massachusetts, USA |
| 61.4km (38.2 miles) | ⓘOsgood Graphite Mine, Nelson, Cheshire County, New Hampshire, USA |
| References |
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PJ Keating Quarry, Lunenburg, Worcester County, Massachusetts, USA