| Locality type: | Mine |
| Classification |
|---|
|
| Species: | Sillimanite |
| Formula: | Al2(SiO4)O |
| Comments: | The reference provides no details, but is a common accessory in area metamorphic rocks. |
| Confirmation |
|---|
|
| Validity: | Unconfirmed/Questioned |
| Data |
|---|
|
| Mineral Data: | Click here to view Sillimanite data |
| Locality Data: | Click here to view Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 102051 |
| Long-form Identifier: | 1:3:102051:9 |
| GUID (UUID V4): | 4f1b6a03-e3a7-446b-9052-7b520d52ba0e |
| Nearest other occurrences of Sillimanite |
|---|
|
|
| 3.9km (2.4 miles) | ⓘUnnamed building stone quarry, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 5.6km (3.5 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 7.2km (4.5 miles) | ⓘAnderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 8.4km (5.2 miles) | ⓘSunset Quartzite Quarry, East Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| 10.0km (6.2 miles) | ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| 11.5km (7.1 miles) | ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| 11.8km (7.3 miles) | ⓘWestchester, Colchester, New London County, Connecticut, USA |
| 12.2km (7.6 miles) | ⓘAlmandine schorl and sillimanite locality, Haddam, Middlesex County, Connecticut, USA |
| 12.3km (7.6 miles) | ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA |
| 14.9km (9.2 miles) | ⓘState Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA |
| References |
|---|
|
|
