| Classification |
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| Species: | 'Serpentine Subgroup' (not an IMA approved species) |
| Formula: | D3[Si2O5](OH)4 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Serpentine Subgroup data |
| Locality Data: | Click here to view Ore loading dock, Fort Montgomery, Town of Highlands, Orange County, New York, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 945490 |
| Long-form Identifier: | 1:3:945490:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Serpentine Subgroup |
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| 2.7km (1.7 miles) | ⓘPhilips Mine (Philips Pyrite Mine; Anthony's Nose Pyrrhotite Mine), Town of Philipstown, Putnam County, New York, USA |
| 16.6km (10.3 miles) | ⓘWilks & O'Neil Mine, Village of Monroe, Town of Monroe, Orange County, New York, USA |
| 17.3km (10.8 miles) | ⓘO'Neil Mine, Lake Mombasha, Town of Monroe, Orange County, New York, USA |
| 23.8km (14.8 miles) | ⓘShaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess County, New York, USA |
| 30.1km (18.7 miles) | ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA |
| 31.7km (19.7 miles) | ⓘBrown's Quarry, Town of Kent, Putnam County, New York, USA |
| 38.3km (23.8 miles) | ⓘRhein Property, Amity, Town of Warwick, Orange County, New York, USA |
| 45.1km (28.0 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
| 50.4km (31.3 miles) | ⓘU. S. Route 7 Expressway (Brookfield Bypass), Brookfield, Fairfield County, Connecticut, USA |
| 51.0km (31.7 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
| References |
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