| Locality type: | Mine |
| Classification |
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| Species: | Pyrite |
| Formula: | FeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Pyrite data |
| Locality Data: | Click here to view Barker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 212304 |
| Long-form Identifier: | 1:3:212304:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyrite |
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| 1.6km (1.0 miles) | ⓘQueen Claim, Keystone Mining District, Pennington County, South Dakota, USA |
| 2.0km (1.3 miles) | ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.0km (1.9 miles) | ⓘEdison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.2km (2.0 miles) | ⓘFern Cliff Prospect, Unorganized mining district [1], Custer County, South Dakota, USA |
| 4.1km (2.5 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 4.3km (2.7 miles) | ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 4.5km (2.8 miles) | ⓘSpokane Mine, Iron Mountain, Custer County, South Dakota, USA |
| 4.6km (2.9 miles) | ⓘHoly Terror Mine, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 5.6km (3.5 miles) | ⓘCuyahoga Mine, Unorganized mining district [1], Custer County, South Dakota, USA |
| 5.6km (3.5 miles) | ⓘGrand Island Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| References |
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