| Locality type: | Quarry |
| Classification |
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| Species: | Spessartine |
| Formula: | Mn32+Al2(SiO4)3 |
| Formation: | Primary |
| Comments: | Included in a list of minerals with no supporting documentation. Most garnet in this pegmatite district is almandine, but spessartines are more likely in the highly chemically evolved pegmatites like this one. Crystals from here are typically red and <1 cm. |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Spessartine 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: | 131582 |
| Long-form Identifier: | 1:3:131582:0 |
| GUID (UUID V4): | f9670652-58f6-4330-82eb-62741b0c95f7 |
| Nearest other occurrences of Spessartine |
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| 1.5km (0.9 miles) | ⓘChrysoberyl locality, Haddam, Middlesex County, Connecticut, USA |
| 2.4km (1.5 miles) | ⓘJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA |
| 2.8km (1.7 miles) | ⓘAnderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 3.9km (2.4 miles) | ⓘCivilian Conservation Corps prospect (CCC prospect; Cook columbite prospect), Haddam, Middlesex County, Connecticut, USA |
| 4.4km (2.7 miles) | ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA |
| 5.5km (3.4 miles) | ⓘSlocum prospect, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 11.5km (7.2 miles) | ⓘNathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 11.8km (7.3 miles) | ⓘState Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 12.2km (7.6 miles) | ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 13.0km (8.1 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| References |
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