| Locality type: | Road Cutting |
| Classification |
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| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Comments: | Included in a list of minerals without details, but plausible for the geology. |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Hornblende Root Name Group data |
| Locality Data: | Click here to view U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 810517 |
| Long-form Identifier: | 1:3:810517:2 |
| GUID (UUID V4): | 48c77c3c-809c-4b63-b0e0-19c22856a1fa |
| Nearest other occurrences of Hornblende Root Name Group |
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| 3.0km (1.8 miles) | ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA |
| 6.7km (4.2 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 7.8km (4.9 miles) | ⓘDanbury, Fairfield County, Connecticut, USA |
| 19.1km (11.9 miles) | ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA |
| 20.0km (12.5 miles) | ⓘStevenson Mine (Burke's Copper Mine), Oxford, New Haven County, Connecticut, USA |
| 20.7km (12.9 miles) | ⓘFillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA |
| 20.8km (12.9 miles) | ⓘRidgefield, Fairfield County, Connecticut, USA |
| 21.0km (13.1 miles) | ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA |
| 22.6km (14.0 miles) | ⓘState Route 111 road cuts, Long Hill, Trumbull, Fairfield County, Connecticut, USA |
| 27.0km (16.8 miles) | ⓘBarrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven County, Connecticut, USA |
| References |
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