| Locality type: | Pegmatite |
| Classification |
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| Species: | 'Chlorite Group' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chlorite Group data |
| Locality Data: | Click here to view Sitting Bull pegmatite, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 765806 |
| Long-form Identifier: | 1:3:765806:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chlorite Group |
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| 1.5km (0.9 miles) | ⓘEgyptian Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 15.2km (9.4 miles) | ⓘGreen Granite quarry, McGees Station, Pennington County, South Dakota, USA |
| 28.5km (17.7 miles) | ⓘTin Mountain Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 29.5km (18.3 miles) | ⓘHelen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 32.8km (20.4 miles) | ⓘStandby mine, Rochford Mining District, Pennington County, South Dakota, USA |
| 34.6km (21.5 miles) | ⓘMontezuma Mine (Montezuma Nos. 3 to 7; Red Jim; New Montezuma), Rochford Mining District, Pennington County, South Dakota, USA |
| 45.4km (28.2 miles) | ⓘAnaconda Mine (Uncle Sam Mine; Cloverleaf Mine), Roubaix, Galena Mining District, Lawrence County, South Dakota, USA |
| 56.6km (35.1 miles) | ⓘBelle Eldridge Gold Mine (Deadwood Lead and Zinc Company Mine; Helen Gould Claim), Deadwood, Galena Mining District, Lawrence County, South Dakota, USA |
| 57.0km (35.4 miles) | ⓘHomestake Mine, Lead, Lead Mining District, Lawrence County, South Dakota, USA |
| 58.0km (36.0 miles) | ⓘDeadwood - Golden Terra Mine (Deadwood Terra), Lead Mining District, Lawrence County, South Dakota, USA |
| References |
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