| Classification |
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| Species: | Andalusite |
| Formula: | Al2(SiO4)O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Andalusite data |
| Locality Data: | Click here to view Beecher No. 3, Beecher Lode, Custer, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 384198 |
| Long-form Identifier: | 1:3:384198:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Andalusite |
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| 1.9km (1.2 miles) | ⓘSouthern Black Hills Kyanite Mine, Southern Black Hills, Custer County, South Dakota, USA |
| 2.0km (1.3 miles) | ⓘElkhorn Mine (Tinsley Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 5.8km (3.6 miles) | ⓘCuster Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 17.0km (10.6 miles) | ⓘBlack Diamond Pennington County Occurrence, Unorganized mining district [5], Pennington County, South Dakota, USA |
| 17.6km (10.9 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 17.7km (11.0 miles) | ⓘOreville, Custer County, South Dakota, USA |
| 18.6km (11.6 miles) | ⓘU.S. highways 16/385 & State route 87 intersection area, Oreville Mining District, Pennington County, South Dakota, USA |
| 18.6km (11.6 miles) | ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 19.9km (12.3 miles) | ⓘSummit Peak, Pennington County, South Dakota, USA |
| 23.0km (14.3 miles) | ⓘHill City Mining District, Pennington County, South Dakota, USA |
| References |
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