| Classification |
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| Species: | Gypsum |
| Formula: | CaSO4 · 2H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Gypsum data |
| Locality Data: | Click here to view Cottonwood Creek tributary, Rockyford, Oglala Lakota County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 211567 |
| Long-form Identifier: | 1:3:211567:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Gypsum |
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| 26.1km (16.2 miles) | ⓘImlay, Pennington County, South Dakota, USA |
| 45.7km (28.4 miles) | ⓘDillon Pass, Pennington County, South Dakota, USA |
| 78.8km (49.0 miles) | ⓘHot Springs, Fall River County, South Dakota, USA |
| 79.0km (49.1 miles) | ⓘWind Cave, Wind Cave National Park, Custer County, South Dakota, USA |
| 80.0km (49.7 miles) | ⓘGrant Robinson Mine (Baker Plaster Company; U.S. Gypsum Company; Hot Springs Plaster Company), Unorganized mining district [2], Fall River County, South Dakota, USA |
| 81.8km (50.8 miles) | ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| 83.3km (51.8 miles) | ⓘHay Draw, Meade County, South Dakota, USA |
| 83.6km (51.9 miles) | ⓘElk Creek, Meade County, South Dakota, USA |
| 86.0km (53.4 miles) | ⓘHot Springs Gypsum, Unorganized mining district [2], Fall River County, South Dakota, USA |
| 87.7km (54.5 miles) | ⓘBull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| References |
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