| Lat / long: | 43.78524, -103.6025 |
| Primary: | Mica, Feldspar |
| Secondary: | Beryllium |
| Ore: | Albite, Beryl, Biotite, Microcline, Muscovite |
| Gangue: | Quartz |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Pegmatite |
| Associated rock: | Pegmatite |
| Associated type: | Pegmatite |
| Alteration processes: | Mica Is Air-Stained, Mineral-Stained And Badly Reeved. |
| MRDS | D004762 |
| DEP | 10101552 |
| Reference | {Deposit:: U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 770}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707} |
| Reporter | Barari, Rachel A. |