| Lat / long: | 43.78524, -103.59389 |
| Primary: | Quartz, Mica, Beryllium |
| Ore: | Beryl, Muscovite, Quartz |
| Gangue: | Biotite, Garnet, Plagioclase, Tourmaline |
| Orebody form: | LENTICULAR |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host type: | Pegmatite |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | SD02284 |
| DEP | 10055673 |
| Reference | U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770 |
| Reporter | Barari, Rachel A. |