| Locality type: | Quarry |
| 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 Masons Island Quarry, Stonington, New London County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 720294 |
| Long-form Identifier: | 1:3:720294:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Plagioclase |
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| 44.8km (27.8 miles) | ⓘUltramafic rock bodies, Haddam, Middlesex County, Connecticut, USA |
| 50.1km (31.1 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA |
| 64.4km (40.0 miles) | ⓘBecker Quarry, Willington, Tolland County, Connecticut, USA |
| 68.0km (42.3 miles) | ⓘCamptonite dike, Middlefield, Middlesex County, Connecticut, USA |
| 73.2km (45.5 miles) | ⓘInterstate highway 295 & State Route 7 intersection, Smithfield, Providence County, Rhode Island, USA |
| 76.2km (47.4 miles) | ⓘSpring Lake, Harrisville, Burrillville, Providence County, Rhode Island, USA |
| 81.0km (50.3 miles) | ⓘSturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester County, Massachusetts, USA |
| 85.2km (52.9 miles) | ⓘMaple Ridge Drive, Cumberland, Providence County, Rhode Island, USA |
| 87.3km (54.3 miles) | ⓘRock dump, Prospect, New Haven County, Connecticut, USA |
| 92.1km (57.3 miles) | ⓘAggregate Industries Quarry (Wrentham Quarry; Simeone Quarry), Wrentham, Norfolk County, Massachusetts, USA |
| References |
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