| 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 Marston Quarry, Alexandria, Grafton County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 653732 |
| Long-form Identifier: | 1:3:653732:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Plagioclase |
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| 0.9km (0.6 miles) | ⓘMorgan Mica prospect, Alexandria, Grafton County, New Hampshire, USA |
| 1.6km (1.0 miles) | ⓘTruman Patten Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 4.2km (2.6 miles) | ⓘNew Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 4.2km (2.6 miles) | ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 4.3km (2.7 miles) | ⓘMiddle pegmatite, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 4.4km (2.8 miles) | ⓘLower quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 5.7km (3.5 miles) | ⓘMud Mica Mine, Alexandria, Grafton County, New Hampshire, USA |
| 11.3km (7.1 miles) | ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA |
| 11.5km (7.1 miles) | ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA |
| 11.5km (7.1 miles) | ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA |
| References |
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Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255 |
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