Locality type: | Quarry |
Classification |
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Species: | Sillimanite |
Formula: | Al2(SiO4)O |
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 Unnamed building stone quarry, Collins Hill, Portland, Middlesex County, Connecticut, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 612312 |
Long-form Identifier: | 1:3:612312:3 |
GUID (UUID V4): | 52c998fe-7955-415b-9b4d-55356ea52588 |
Nearest other occurrences of Sillimanite |
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3.9km (2.4 miles) | ⓘGreat Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
9.3km (5.8 miles) | ⓘSunset Quartzite Quarry, East Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
9.4km (5.8 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex County, Connecticut, USA |
10.1km (6.3 miles) | ⓘAnderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine), East Hampton (Chatham), Middlesex County, Connecticut, USA |
12.8km (8.0 miles) | ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
14.4km (8.9 miles) | ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
14.8km (9.2 miles) | ⓘAlmandine schorl and sillimanite locality, Haddam, Middlesex County, Connecticut, USA |
15.0km (9.3 miles) | ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA |
15.7km (9.8 miles) | ⓘWestchester, Colchester, New London County, Connecticut, USA |
17.1km (10.6 miles) | ⓘState Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA |
References |
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