| Locality type: | Mine |
| 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 Sturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 97220 |
| Long-form Identifier: | 1:3:97220:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Plagioclase |
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| 23.7km (14.7 miles) | ⓘBecker Quarry, Willington, Tolland County, Connecticut, USA |
| 39.6km (24.6 miles) | ⓘSpring Lake, Harrisville, Burrillville, Providence County, Rhode Island, USA |
| 50.5km (31.4 miles) | ⓘInterstate highway 295 & State Route 7 intersection, Smithfield, Providence County, Rhode Island, USA |
| 55.8km (34.7 miles) | ⓘMaple Ridge Drive, Cumberland, Providence County, Rhode Island, USA |
| 57.4km (35.7 miles) | ⓘMarlborough Junction locality, Marlborough, Middlesex County, Massachusetts, USA |
| 59.0km (36.6 miles) | ⓘLeavitt Quarry, Leominster, Worcester County, Massachusetts, USA |
| 60.9km (37.8 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA |
| 63.7km (39.6 miles) | ⓘAggregate Industries Quarry (Wrentham Quarry; Simeone Quarry), Wrentham, Norfolk County, Massachusetts, USA |
| 63.9km (39.7 miles) | ⓘPJ Keating Quarry (Lunenburg Quarry), Lunenburg, Worcester County, Massachusetts, USA |
| 66.5km (41.3 miles) | ⓘRoute 13 area, Lunenburg, Worcester County, Massachusetts, USA |
| References |
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