| Locality type: | Road Cutting |
| Classification |
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| Species: | Bertrandite |
| Formula: | Be4(Si2O7)(OH)2 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Bertrandite data |
| Locality Data: | Click here to view State Route 25 road cuts, Trumbull, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 887248 |
| Long-form Identifier: | 1:3:887248:7 |
| GUID (UUID V4): | 52699489-2931-4707-b3db-963b10fd06c3 |
| Nearest other occurrences of Bertrandite |
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| 1.9km (1.2 miles) | ⓘTrumbull, Fairfield County, Connecticut, USA |
| 4.0km (2.5 miles) | ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 14.5km (9.0 miles) | ⓘCaptain Cook's Quarry (Purdy Station Quarry), Newtown, Fairfield County, Connecticut, USA |
| 15.9km (9.9 miles) | ⓘBiermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA |
| 19.4km (12.0 miles) | ⓘFillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA |
| 21.3km (13.3 miles) | ⓘCurtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven County, Connecticut, USA |
| 26.2km (16.3 miles) | ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA |
| 26.4km (16.4 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 30.0km (18.6 miles) | ⓘBrookfield, Fairfield County, Connecticut, USA |
| 35.5km (22.1 miles) | ⓘWoodbury pegmatite quarry (Judson Quarry), Woodbury, Litchfield County, Connecticut, USA |
| References |
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