| Classification |
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| Species: | Beryl |
| Formula: | Be3Al2(Si6O18) |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Garnet Group | ⓘ1 photo of Beryl associated with Garnet Group at this locality. |
| Data |
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| Mineral Data: | Click here to view Beryl data |
| Locality Data: | Click here to view Rockland Preserve, Madison, New Haven County, Connecticut, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 727723 |
| Long-form Identifier: | 1:3:727723:8 |
| GUID (UUID V4): | ac603c6b-c3b2-4a9e-b873-fc55d0734197 |
| Nearest other occurrences of Beryl |
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| 3.0km (1.9 miles) | ⓘMica Hills pegmatites and prospects, Durham, Middlesex County, Connecticut, USA |
| 7.1km (4.4 miles) | ⓘDurham, Middlesex County, Connecticut, USA |
| 9.3km (5.8 miles) | ⓘJohn Salak Quarry, Haddam, Middlesex County, Connecticut, USA |
| 12.7km (7.9 miles) | ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA |
| 13.7km (8.5 miles) | ⓘTollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA |
| 13.7km (8.5 miles) | ⓘCivilian Conservation Corps prospect (CCC prospect; Cook columbite prospect), Haddam, Middlesex County, Connecticut, USA |
| 13.8km (8.6 miles) | ⓘCivilian Conservation Corps Quarry (CCC Quarry; Smith Quarry; Turkey Hill quarry lot), Haddam, Middlesex County, Connecticut, USA |
| 13.8km (8.6 miles) | ⓘKelsey prospect (Parmalee farm), Haddam, Middlesex County, Connecticut, USA |
| 13.9km (8.6 miles) | ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA |
| 14.1km (8.8 miles) | ⓘHill above the parsonage (unnamed feldspar quarry), Haddam, Middlesex County, Connecticut, USA |
| References |
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Rockland Preserve, Madison, New Haven County, Connecticut, USA