| Classification |
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| Species: | Orthoclase |
| Formula: | K(AlSi3O8) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Orthoclase data |
| Locality Data: | Click here to view Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 906996 |
| Long-form Identifier: | 1:3:906996:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Orthoclase |
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| 1.9km (1.2 miles) | ⓘFort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA |
| 7.5km (4.7 miles) | ⓘWoodcliff, North Bergen, Hudson County, New Jersey, USA |
| 10.7km (6.6 miles) | ⓘNew York - West Shore & Buffalo RR tunnel, Weehawken, Bergen Hill, Hudson County, New Jersey, USA |
| 15.3km (9.5 miles) | ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA |
| 18.4km (11.4 miles) | ⓘLarchmont, Mamaroneck, Westchester County, New York, USA |
| 25.9km (16.1 miles) | ⓘWhite Plains, Westchester County, New York, USA |
| 30.9km (19.2 miles) | ⓘRitch Quarry, Greenwich, Fairfield County, Connecticut, USA |
| 33.3km (20.7 miles) | ⓘHartshorn Quarry, Short Hills, Millburn, Essex County, New Jersey, USA |
| 36.1km (22.4 miles) | ⓘOssining (Sing Sing), Westchester County, New York, USA |
| 38.0km (23.6 miles) | ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA |
| References |
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