| 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 Grand Junction and Hartford Group, Unorganized mining district [1], Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 382871 |
| Long-form Identifier: | 1:3:382871:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyrrhotite |
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| 9.1km (5.7 miles) | ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA |
| 12.1km (7.5 miles) | ⓘKeystone Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 14.7km (9.1 miles) | ⓘSilver Dollar Mine, Custer Mining District, Custer County, South Dakota, USA |
| 16.3km (10.1 miles) | ⓘBull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 20.5km (12.7 miles) | ⓘBismark-Ida Florence Groups, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 20.5km (12.7 miles) | ⓘGrand Island Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 20.8km (12.9 miles) | ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 21.1km (13.1 miles) | ⓘDakota Calumet Mine (Continental Copper Company Mine), Blue Lead Mine (Mahoney Bluelead Mine), Sheridan, Hill City Mining District, Pennington County, South Dakota, USA |
| 21.2km (13.1 miles) | ⓘColumbia Mine (Maiden Mine), Keystone, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 21.2km (13.1 miles) | ⓘEgyptian Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| References |
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