| Lat / long: | 43.7219, -103.69418 |
| Primary: | Feldspar |
| Secondary: | Beryllium, Mica |
| Ore: | Beryl, Biotite, Muscovite |
| Gangue: | Albite, Amblygonite, Quartz, Tourmaline |
| Orebody form: | KNOB |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Granite |
| Associated type: | Pegmatite |
| Tectonic: | Southern Black Hills |
| MRDS | SD02447 |
| DEP | 10055720 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18} |
| Reporter | Barari, Rachel A. |