| Locality type: | Mine |
| Classification |
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| Species: | Microcline |
| Formula: | K(AlSi3O8) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Microcline data |
| Locality Data: | Click here to view Old Mike mine (Great Northern; Old Mike M.S.2212), Custer, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 210887 |
| Long-form Identifier: | 1:3:210887:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Microcline |
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| 3.5km (2.1 miles) | ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 3.5km (2.2 miles) | ⓘHigh Climb Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 3.9km (2.4 miles) | ⓘSunshine Mica Prospect, Custer Mining District, Custer County, South Dakota, USA |
| 4.0km (2.5 miles) | ⓘKnowles lode claim, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 4.1km (2.6 miles) | ⓘLouise & Hunter Claim (Hunter and Louise Spodumene Dike), Oreville Mining District, Pennington County, South Dakota, USA |
| 4.4km (2.7 miles) | ⓘHomestead No. 2 Prospect, Custer Mining District, Custer County, South Dakota, USA |
| 4.5km (2.8 miles) | ⓘSurprise Mica Mine, Custer Mining District, Custer County, South Dakota, USA |
| 5.5km (3.4 miles) | ⓘVictory Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 5.7km (3.5 miles) | ⓘTin Queen Mine (White Blowout Mine), Hill City Mining District, Pennington County, South Dakota, USA |
| 6.6km (4.1 miles) | ⓘNovember Mine, The Needles, Custer State Park, Custer County, South Dakota, USA |
| References |
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