| Locality type: | Quarry |
| Classification |
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| Species: | 'Tantalite' (not an IMA approved species) |
| Formula: | (Mn,Fe)(Ta,Nb)2O6 |
| Comments: | Januzzi (1976) merely stated: "Although tantalite has not been officially reported from western Connecticut, it undoubtedly occurs at some of the localities listed for columbite." Schooner (1959) included it in his list of minerals but gave no supporting information. |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Tantalite data |
| Locality Data: | Click here to view Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 131584 |
| Long-form Identifier: | 1:3:131584:4 |
| GUID (UUID V4): | 02758276-17d4-4dc9-ba7c-65005f56960c |
| Nearest other occurrences of Tantalite |
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| 4.3km (2.6 miles) | ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA |
| 5.5km (3.4 miles) | ⓘSlocum prospect, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 9.4km (5.8 miles) | ⓘTollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA |
| 10.1km (6.3 miles) | ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| 13.3km (8.2 miles) | ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA |
| 15.8km (9.8 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
| 16.8km (10.5 miles) | ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA |
| 17.1km (10.6 miles) | ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA |
| References |
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