| Classification |
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| Species: | Pyrrhotite |
| Formula: | Fe1-xS |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Pyrrhotite data |
| Locality Data: | Click here to view Egyptian Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 383793 |
| Long-form Identifier: | 1:3:383793:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyrrhotite |
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| 0.7km (0.4 miles) | ⓘGrand Island Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 0.7km (0.4 miles) | ⓘBismark-Ida Florence Groups, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 0.9km (0.6 miles) | ⓘColumbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 1.8km (1.1 miles) | ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 5.5km (3.4 miles) | ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| 5.9km (3.7 miles) | ⓘDakota Calumet Mine (Continental Copper Company Mine), Blue Lead Mine (Mahoney Bluelead Mine), Sheridan, Hill City Mining District, Pennington County, South Dakota, USA |
| 7.2km (4.5 miles) | ⓘBlue Lead Mine (Mahoney Bluelead Mine), Sheridan, Hill City Mining District, Pennington County, South Dakota, USA |
| 20.9km (13.0 miles) | ⓘBull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 21.2km (13.1 miles) | ⓘGrand Junction and Hartford Group, Unorganized mining district [1], Custer County, South Dakota, USA |
| 25.7km (16.0 miles) | ⓘSilver Dollar Mine, Custer Mining District, Custer County, South Dakota, USA |
| References |
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