| Locality type: | Road Cutting |
| Classification |
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| Species: | Sillimanite |
| Formula: | Al2(SiO4)O |
| 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 Sillimanite 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: | 807742 |
| Long-form Identifier: | 1:3:807742:4 |
| GUID (UUID V4): | 03d40ad8-3630-48a4-b1eb-241eb61a4386 |
| Nearest other occurrences of Sillimanite |
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| 8.9km (5.5 miles) | ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA |
| 9.4km (5.9 miles) | ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA |
| 17.4km (10.8 miles) | ⓘRedding Glen (Redding Ridge), Redding (Reading), Fairfield County, Connecticut, USA |
| 20.8km (12.9 miles) | ⓘRidgefield, Fairfield County, Connecticut, USA |
| 24.4km (15.2 miles) | ⓘLittle Laurel Lime Park, Seymour, New Haven County, Connecticut, USA |
| 32.0km (19.9 miles) | ⓘState Route 8 exit 37, Watertown, Litchfield County, Connecticut, USA |
| 38.6km (24.0 miles) | ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
| 38.6km (24.0 miles) | ⓘYorktown, Westchester County, New York, USA |
| 47.4km (29.4 miles) | ⓘPeekskill, Westchester County, New York, USA |
| 49.1km (30.5 miles) | ⓘCrugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA |
| References |
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