| Locality type: | Prospect |
| 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 Morgan Mica prospect, Alexandria, Grafton County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 653737 |
| Long-form Identifier: | 1:3:653737:1 |
| GUID (UUID V4): | b60b129c-87b0-44a0-88d3-dd0c29d12f72 |
| Nearest other occurrences of Plagioclase |
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| 0.9km (0.6 miles) | ⓘMarston Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 2.2km (1.4 miles) | ⓘTruman Patten Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 5.1km (3.2 miles) | ⓘNew Haven Mica Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 5.1km (3.2 miles) | ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 5.3km (3.3 miles) | ⓘMiddle pegmatite, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 5.4km (3.3 miles) | ⓘLower quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA |
| 6.6km (4.1 miles) | ⓘMud Mica Mine, Alexandria, Grafton County, New Hampshire, USA |
| 10.5km (6.5 miles) | ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA |
| 10.7km (6.6 miles) | ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA |
| 15.0km (9.3 miles) | ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL...History of pegmatite mining inN ew England _______ _ Mica mining ______________________________ _ Feldspar..._______ _ Geology of the pegmatite districts of New Hampshire_ Rock units ________________________________...pegmatites ___________________ _ Pegmatites of the Grafton and Keene districts __ _ Sources of pegmatites..._____________ _ Mica deposits ____ ·_________________________________ _ Kinds and characteristics of mica _________________ |
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