| Location: | Pennington County, South Dakota, United States, North America |
| Lat / long: | 43.86913, -103.38945 |
| dep_id: | 10055773 |
| mrds_id: | SD02520 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Mica, Beryllium, Feldspar |
| Operation type: | Unknown |
| Production size: | No production occurred |
| Development status: | Occurrence |
| ore: | Beryl, Feldspar, Muscovite |
| gangue: | Cleavelandite, Microcline, Quartz, Tourmaline |
| Reporter: | Barari, Rachel A. |
| hrock_type: | Pegmatite |
| arock_type: | Pegmatite |
| References: |
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