Locality type: | Road Cutting |
Classification |
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Species: | Sillimanite |
Formula: | Al2(SiO4)O |
Formation: | Primary |
Comments: | Accessory mineral in schist. |
Habit: | Fibrous |
Quality for species: | Rock forming mineral/non-crystalline/little interest for collectors.(##) |
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 Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 96383 |
Long-form Identifier: | 1:3:96383:3 |
GUID (UUID V4): | 76fefec7-58f1-436c-87ec-132272e685bc |
Nearest other occurrences of Sillimanite |
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10.7km (6.7 miles) | ⓘState Route 8 exit 37, Watertown, Litchfield County, Connecticut, USA |
36.2km (22.5 miles) | ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA |
38.2km (23.8 miles) | ⓘLittle Laurel Lime Park, Seymour, New Haven County, Connecticut, USA |
38.4km (23.9 miles) | ⓘCrissey Quarry (Crissy Hill), Norfolk, Litchfield County, Connecticut, USA |
38.6km (24.0 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
39.8km (24.7 miles) | ⓘRedwing Quarry, Falls Village, Canaan, Litchfield County, Connecticut, USA |
41.2km (25.6 miles) | ⓘUnnamed building stone quarry, Collins Hill, Portland, Middlesex County, Connecticut, USA |
45.1km (28.0 miles) | ⓘGreat Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
46.2km (28.7 miles) | ⓘSunset Quartzite Quarry, East Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
46.9km (29.1 miles) | ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA |
References |
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