| Locality type: | Quarry |
| Classification |
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| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(C42+C3+)(AlSi7O22)W2 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Titanite | 2 |
| Calcite | 1 |
| Quartz | 1 |
| Data |
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| Mineral Data: | Click here to view Hornblende Root Name Group data |
| Locality Data: | Click here to view Barrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 840685 |
| Long-form Identifier: | 1:3:840685:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hornblende Root Name Group |
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| 8.1km (5.0 miles) | ⓘStevenson Mine (Burke's Copper Mine), Oxford, New Haven County, Connecticut, USA |
| 16.9km (10.5 miles) | ⓘEast Main Street construction site, Waterbury, New Haven County, Connecticut, USA |
| 19.8km (12.3 miles) | ⓘState Route 111 road cuts, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 27.0km (16.8 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 28.2km (17.5 miles) | ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA |
| 31.1km (19.3 miles) | ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
| 31.9km (19.8 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 33.6km (20.9 miles) | ⓘHoadley Point Quarries, Guilford, New Haven County, Connecticut, USA |
| 34.8km (21.6 miles) | ⓘFillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA |
| 39.1km (24.3 miles) | ⓘMount Prospect complex (Prospect Hill complex; Prospect Mountain complex), Litchfield, Litchfield County, Connecticut, USA |
| References |
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Barrett Brothers Quarry, Beacon Falls, New Haven County, Connecticut, USA