| Locality type: | Quarry |
| Classification |
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| Species: | Beryl |
| Formula: | Be3Al2(Si6O18) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | ⓘ1 photo of Beryl associated with Quartz at this locality. |
| Data |
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| Mineral Data: | Click here to view Beryl data |
| Locality Data: | Click here to view Penfield Quarry (Oak Leaf Quarry), Portland, Middlesex County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 107377 |
| Long-form Identifier: | 1:3:107377:5 |
| GUID (UUID V4): | 34723153-03b3-48b9-acc0-1994d3c2f2be |
| Nearest other occurrences of Beryl |
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| 0.5km (0.3 miles) | ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA |
| 0.9km (0.6 miles) | ⓘSynnott Quarry, Portland, Middlesex County, Connecticut, USA |
| 1.4km (0.9 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 1.4km (0.9 miles) | ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 1.6km (1.0 miles) | ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 2.9km (1.8 miles) | ⓘState Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 3.0km (1.8 miles) | ⓘNathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 3.0km (1.8 miles) | ⓘGotta-Walden Prospect, Portland, Middlesex County, Connecticut, USA |
| 3.0km (1.9 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
| 3.0km (1.9 miles) | ⓘClark Hill prospect, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| References |
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Penfield Quarry, Portland, Middlesex County, Connecticut, USA