Classification |
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Species: | Sillimanite |
Formula: | Al2(SiO4)O |
Comments: | Excellent specimens of parallel-fibrous sillimanite, some altered to fine-grained mica and pyrophyllite, were collected in quartz veins (Schooner, circa 1985). |
Habit: | parallel-fibrous |
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 State Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 920659 |
Long-form Identifier: | 1:3:920659:5 |
GUID (UUID V4): | 87e265a8-8b5a-4a45-a2a3-1aeb4399c4c0 |
Nearest other occurrences of Sillimanite |
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3.0km (1.9 miles) | ⓘAlmandine schorl and sillimanite locality, Haddam, Middlesex County, Connecticut, USA |
3.1km (1.9 miles) | ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA |
4.4km (2.7 miles) | ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
5.2km (3.3 miles) | ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
7.6km (4.7 miles) | ⓘSillimanite type locality, Chester, Middlesex County, Connecticut, USA |
7.8km (4.9 miles) | ⓘAnderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine), East Hampton (Chatham), Middlesex County, Connecticut, USA |
14.7km (9.2 miles) | ⓘWestchester, Colchester, New London County, Connecticut, USA |
14.8km (9.2 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex County, Connecticut, USA |
14.9km (9.2 miles) | ⓘGreat Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
17.1km (10.6 miles) | ⓘUnnamed building stone quarry, Collins Hill, Portland, Middlesex County, Connecticut, USA |
References |
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