| Locality type: | Mine |
| Classification |
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| Species: | Actinolite |
| Formula: | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Actinolite data |
| Locality Data: | Click here to view O'Neil Mine, Lake Mombasha, Town of Monroe, Orange County, New York, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 81228 |
| Long-form Identifier: | 1:3:81228:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Actinolite |
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| 10.2km (6.3 miles) | ⓘTwin Lakes, Woodbury, Orange County, New York, USA |
| 15.0km (9.3 miles) | ⓘStandish Mine (Warwick Mine; Warwick Uranium Mine), Warwick Mountain, Town of Warwick, Orange County, New York, USA |
| 18.5km (11.5 miles) | ⓘVerplanck Point, Verplanck, Cortlandt Township, Westchester County, New York, USA |
| 19.1km (11.9 miles) | ⓘEdenville, Town of Warwick, Orange County, New York, USA |
| 19.9km (12.4 miles) | ⓘPhilips Mine (Philips Pyrite Mine; Anthony's Nose Pyrrhotite Mine), Town of Philipstown, Putnam County, New York, USA |
| 22.4km (13.9 miles) | ⓘWest Point, Orange County, New York, USA |
| 23.2km (14.4 miles) | ⓘTodd Mine, Peekskill, Westchester County, New York, USA |
| 26.5km (16.4 miles) | ⓘPhillips ore bed, Town of Putnam Valley, Putnam County, New York, USA |
| 27.5km (17.1 miles) | ⓘCroft Mine, Oscawana Corners, Town of Putnam Valley, Putnam County, New York, USA |
| 31.8km (19.7 miles) | ⓘMcAfee Quarry, McAfee, Vernon Township, Sussex County, New Jersey, USA |
| References |
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