| Locality type: | Beach |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Hammonassett Beach, Madison, New Haven County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 278954 |
| Long-form Identifier: | 1:3:278954:5 |
| GUID (UUID V4): | 44eda2d4-7c89-4bc3-bac0-5f429e0e5b12 |
| Nearest other occurrences of Chalcedony |
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| 15.5km (9.6 miles) | ⓘStony Creek Quarry (Norcross Granite Gneiss Rock Quarries; Castellucci Quarry), Branford, New Haven County, Connecticut, USA |
| 21.3km (13.2 miles) | ⓘNorth Branford Quarry, North Branford, New Haven County, Connecticut, USA |
| 26.3km (16.3 miles) | ⓘEast Haven, New Haven County, Connecticut, USA |
| 26.3km (16.4 miles) | ⓘFoxon quarry, Foxon, East Haven, New Haven County, Connecticut, USA |
| 32.4km (20.1 miles) | ⓘRoute 11 road cuts, Salem, New London County, Connecticut, USA |
| 38.1km (23.7 miles) | ⓘMeriden Trap Rock Quarry (Lane's Quarry), Meriden, New Haven County, Connecticut, USA |
| 38.3km (23.8 miles) | ⓘPillow lava locality, Meriden, New Haven County, Connecticut, USA |
| 38.8km (24.1 miles) | ⓘHubbard Park Quartz locality, Meriden, New Haven County, Connecticut, USA |
| 39.3km (24.4 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
| 41.2km (25.6 miles) | ⓘCheshire Traprock Quarry, Cheshire, New Haven County, Connecticut, USA |
| References |
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