| Locality type: | Area |
| Classification |
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| Species: | Andalusite |
| Formula: | Al2(SiO4)O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Muscovite | 9 |
| Quartz | 6 |
| Sillimanite | 5 |
| Biotite | 4 |
| Graphite | 3 |
| Data |
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| Mineral Data: | Click here to view Andalusite data |
| Locality Data: | Click here to view U.S. highways 16/385 & State route 87 intersection area, Oreville Mining District, Pennington County, South Dakota, USA |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 858757 |
| Long-form Identifier: | 1:3:858757:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Andalusite |
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| 3.5km (2.1 miles) | ⓘOreville, Custer County, South Dakota, USA |
| 4.5km (2.8 miles) | ⓘSummit Peak, Pennington County, South Dakota, USA |
| 5.3km (3.3 miles) | ⓘHill City Mining District, Pennington County, South Dakota, USA |
| 8.9km (5.6 miles) | ⓘBlack Diamond Pennington County Occurrence, Unorganized mining district [5], Pennington County, South Dakota, USA |
| 13.8km (8.5 miles) | ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 13.8km (8.6 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 14.8km (9.2 miles) | ⓘCuster Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 16.7km (10.4 miles) | ⓘElkhorn Mine (Tinsley Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 16.9km (10.5 miles) | ⓘSouthern Black Hills Kyanite Mine, Southern Black Hills, Custer County, South Dakota, USA |
| 18.6km (11.6 miles) | ⓘBeecher No. 3, Beecher Lode, Custer, Custer Mining District, Custer County, South Dakota, USA |
| References |
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U.S. highways 16/385 & State route 87 intersection area, Oreville Mining District, Pennington County, South Dakota, USA