| Locality type: | Quarry |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6(T6O18)(BO3)3X3Z |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Hobby Hill Quarry, North Castle, Westchester County, New York, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1660302 |
| Long-form Identifier: | 1:3:1660302:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 0.7km (0.4 miles) | ⓘHobby Quarry (Buresch Quarry), North Castle, Westchester County, New York, USA |
| 4.0km (2.5 miles) | ⓘBedford, Westchester County, New York, USA |
| 15.8km (9.8 miles) | ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA |
| 18.2km (11.3 miles) | ⓘFillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA |
| 22.2km (13.8 miles) | ⓘRye, Westchester County, New York, USA |
| 24.5km (15.2 miles) | ⓘHarrison, Westchester County, New York, USA |
| 26.6km (16.5 miles) | ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA |
| 26.9km (16.7 miles) | ⓘCrugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA |
| 27.3km (16.9 miles) | ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA |
| 27.5km (17.1 miles) | ⓘMahopac Mines, Town of Carmel, Putnam County, New York, USA |
| References |
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