| Locality type: | Mine |
| Classification |
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| Species: | Arsenopyrite |
| Formula: | FeAsS |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Arsenopyrite data |
| Locality Data: | Click here to view Hugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 212364 |
| Long-form Identifier: | 1:3:212364:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Arsenopyrite |
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| 1.2km (0.7 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 1.7km (1.1 miles) | ⓘNickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 2.9km (1.8 miles) | ⓘDan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.0km (1.9 miles) | ⓘHoly Terror Mine, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 3.5km (2.2 miles) | ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.8km (2.4 miles) | ⓘBismark-Ida Florence Groups, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 4.0km (2.5 miles) | ⓘNathaniel Pope, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 5.0km (3.1 miles) | ⓘWood Tin mine, Harney City, Pennington County, South Dakota, USA |
| 7.1km (4.4 miles) | ⓘHopeful Occurrence (Goodhope Nos. 1 & 2; Samelias), Pennington County, South Dakota, USA |
| 9.9km (6.1 miles) | ⓘNovember Mine, The Needles, Custer State Park, Custer County, South Dakota, USA |
| References |
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