| Locality type: | Pegmatite |
| 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 Middle pegmatite, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 654010 |
| Long-form Identifier: | 1:3:654010:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Plagioclase |
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| 0.1km (0.1 miles) | ⓘLower quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 0.2km (0.1 miles) | ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 1.0km (0.6 miles) | ⓘNew Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 1.3km (0.8 miles) | ⓘMud Mica Mine, Alexandria, Grafton County, New Hampshire, USA |
| 3.7km (2.3 miles) | ⓘTruman Patten Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 4.3km (2.7 miles) | ⓘMarston Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 5.3km (3.3 miles) | ⓘMorgan Mica prospect, Alexandria, Grafton County, New Hampshire, USA |
| 12.8km (7.9 miles) | ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA |
| 14.3km (8.9 miles) | ⓘStorer prospect, New Hampton, Belknap County, New Hampshire, USA |
| 15.4km (9.6 miles) | ⓘPalermo No. 1 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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