| Lat / long: | 43.66968, -103.64362 |
| Primary: | Feldspar, Mica |
| Ore: | Biotite, Muscovite |
| Gangue: | Albite, Quartz, Tourmaline |
| Orebody form: | IRREGULAR BRANCHING |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1942 |
| Host type: | Pegmatite |
| Associated type: | Pegmatite |
| Structure: | Fractures Filled With Pegmatite |
| MRDS | D008124 |
| DEP | 10012478 |
| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.}{Deposit:: USGS PP 247, P. 173-174.}{Production:: USBM INFO CIRC 7707.} |
| Reporter | Barari, Rachel A. |