| Locality type: | Town |
| Classification |
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| Species: | 'Plagioclase' (not an IMA approved species) |
| Formula: | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Plagioclase data |
| Locality Data: | Click here to view Becket, Berkshire County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 244762 |
| Long-form Identifier: | 1:3:244762:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Plagioclase |
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| 21.4km (13.3 miles) | ⓘBetts Manganese Mines, Plainfield, Hampshire County, Massachusetts, USA |
| 32.4km (20.1 miles) | ⓘForge Hill iron mines (Old Hawley iron mines), West Hawley, Hawley, Franklin County, Massachusetts, USA |
| 36.2km (22.5 miles) | ⓘHawks Pyrite Mine (Mount Peak Mine), Charlemont, Franklin County, Massachusetts, USA |
| 43.3km (26.9 miles) | ⓘMassachusetts Talc Company Mine, Rowe, Franklin County, Massachusetts, USA |
| 44.2km (27.4 miles) | ⓘFoliated Talc Company Mine, Rowe, Franklin County, Massachusetts, USA |
| 67.5km (42.0 miles) | ⓘMount Prospect complex (Prospect Hill complex; Prospect Mountain complex), Litchfield, Litchfield County, Connecticut, USA |
| 84.1km (52.3 miles) | ⓘBecker Quarry, Willington, Tolland County, Connecticut, USA |
| 84.2km (52.3 miles) | ⓘSturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester County, Massachusetts, USA |
| 90.9km (56.5 miles) | ⓘRock dump, Prospect, New Haven County, Connecticut, USA |
| 93.0km (57.8 miles) | ⓘCamptonite dike, Middlefield, Middlesex County, Connecticut, USA |
| References |
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