| Locality type: | Mine |
| Classification |
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| Species: | Beryl var: Heliodor |
| Formula: | Be3Al2(Si6O18) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Heliodor data |
| Locality Data: | Click here to view Anderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 130130 |
| Long-form Identifier: | 1:3:130130:4 |
| GUID (UUID V4): | d4e38afc-8d76-4ceb-befc-9ec0e1340dfb |
| Nearest other occurrences of Heliodor |
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| 4.6km (2.8 miles) | ⓘSlocum prospect, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 6.5km (4.0 miles) | ⓘBecker Quarry, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 6.6km (4.1 miles) | ⓘCivilian Conservation Corps prospect (CCC prospect; Cook columbite prospect), Haddam, Middlesex County, Connecticut, USA |
| 7.1km (4.4 miles) | ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA |
| 10.2km (6.4 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 10.3km (6.4 miles) | ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 12.9km (8.0 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
| 13.0km (8.1 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
| 14.9km (9.3 miles) | ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| 77.5km (48.2 miles) | ⓘNew England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield County, Connecticut, USA |
| References |
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