| Locality type: | Quarry |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6 (T6O18)(BO3)3X3Z |
| Formation: | Primary |
| Comments: | Very small crystals to 3.5 mm in the schist matrix. Probably dravite or schorl. |
| Habit: | elongated prisms with trigonal termiations |
| Colour: | black to dark brown |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Very Rare |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Almandine | ⓘ3 photos of Tourmaline associated with Almandine at this locality. |
| Staurolite | ⓘ3 photos of Tourmaline associated with Staurolite at this locality. |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Green's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1242750 |
| Long-form Identifier: | 1:3:1242750:1 |
| GUID (UUID V4): | 71448946-574e-4446-925d-e6f942eb0343 |
| Nearest other occurrences of Tourmaline |
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| 9.9km (6.1 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| 11.5km (7.1 miles) | ⓘWoodbury pegmatite quarry (Judson Quarry), Woodbury, Litchfield County, Connecticut, USA |
| 12.4km (7.7 miles) | ⓘCurtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven County, Connecticut, USA |
| 16.6km (10.3 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 17.4km (10.8 miles) | ⓘCaptain Cook's Quarry (Purdy Station Quarry), Newtown, Fairfield County, Connecticut, USA |
| 17.6km (10.9 miles) | ⓘDanburite type locality, Danbury, Fairfield County, Connecticut, USA |
| 18.1km (11.3 miles) | ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA |
| 19.9km (12.4 miles) | ⓘNew England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield County, Connecticut, USA |
| 21.2km (13.2 miles) | ⓘState Route 8 exit 29, Naugatuck, New Haven County, Connecticut, USA |
| 22.3km (13.8 miles) | ⓘState Route 8 exit 37, Watertown, Litchfield County, Connecticut, USA |
| References |
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Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA