| Locality type: | Mine |
| Classification |
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| Species: | Schorl |
| Formula: | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Comments: | Occurs in pegmatite. |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Albite | 3 |
| Data |
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| Mineral Data: | Click here to view Schorl data |
| Locality Data: | Click here to view Hugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 68803 |
| Long-form Identifier: | 1:3:68803:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Schorl |
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| 1.2km (0.7 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 2.1km (1.3 miles) | ⓘEdison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 2.2km (1.4 miles) | ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 2.3km (1.4 miles) | ⓘDike Lode, Keystone Mining District, Pennington County, South Dakota, USA |
| 2.9km (1.8 miles) | ⓘDan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.0km (1.9 miles) | ⓘHoly Terror Mine, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 3.4km (2.1 miles) | ⓘSitting Bull pegmatite, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 3.5km (2.2 miles) | ⓘBig Chief Mine, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| 4.7km (2.9 miles) | ⓘBarker-Ferguson Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 5.0km (3.1 miles) | ⓘBob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| References |
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Hugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA