| Locality type: | Quarry |
| Classification |
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| Species: | Beryl |
| Formula: | Be3Al2(Si6O18) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Beryl data |
| Locality Data: | Click here to view George Porter Quarry, Alstead, Cheshire County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 50966 |
| Long-form Identifier: | 1:3:50966:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Beryl |
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| 2.5km (1.6 miles) | ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA |
| 2.7km (1.7 miles) | ⓘDavidson Farm pegmatite, Alstead, Cheshire County, New Hampshire, USA |
| 3.3km (2.1 miles) | ⓘColony Quarry, Alstead, Cheshire County, New Hampshire, USA |
| 3.9km (2.4 miles) | ⓘYuhas No. 1 Quarry, Acworth, Sullivan County, New Hampshire, USA |
| 6.0km (3.7 miles) | ⓘBritton Quarry, Alstead, Cheshire County, New Hampshire, USA |
| 6.3km (3.9 miles) | ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA |
| 6.6km (4.1 miles) | ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA |
| 7.1km (4.4 miles) | ⓘBig Mine, Alstead, Cheshire County, New Hampshire, USA |
| 7.9km (4.9 miles) | ⓘBurroughs beryl prospect, Alstead, Cheshire County, New Hampshire, USA |
| 8.1km (5.0 miles) | ⓘIsland Mine, Alstead, Cheshire 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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