| Locality type: | Mine |
| Classification |
|---|
|
| Species: | 'Columbite-Tantalite' (not an IMA approved species) |
| Comments: | Occurs in pegmatite. |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Columbite-Tantalite data |
| Locality Data: | Click here to view Helen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 68284 |
| Long-form Identifier: | 1:3:68284:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Columbite-Tantalite |
|---|
|
|
| 1.4km (0.9 miles) | ⓘNew York Mine (Westinghouse No. 1 Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 1.8km (1.1 miles) | ⓘCorky Claim, Unorganized mining district [1], Custer County, South Dakota, USA |
| 1.9km (1.2 miles) | ⓘRainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 2.2km (1.4 miles) | ⓘTip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 3.1km (1.9 miles) | ⓘRed Spar Mine, Unorganized mining district [1], Custer County, South Dakota, USA |
| 3.2km (2.0 miles) | ⓘMichaud Prospect, Unorganized mining district [1], Custer County, South Dakota, USA |
| 4.2km (2.6 miles) | ⓘTin Mountain Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 6.2km (3.8 miles) | ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA |
| 7.6km (4.7 miles) | ⓘSanator area, Custer County, South Dakota, USA |
| 9.1km (5.7 miles) | ⓘSoda Spar Pegmatite, Glendale, Keystone Mining District, Pennington County, South Dakota, USA |
| References |
|---|
|
Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.32 - (Table A-1) |
|
