| Lat / long: | 43.87913, -103.40612 |
| Primary: | Feldspar, Beryllium, Mica |
| Tertiary: | Lithium |
| Ore: | Amblygonite, Beryl, Lithiophilite, Muscovite |
| Gangue: | Albite, Lazulite, Malachite, Plagioclase, Quartz, Sphalerite, Tantalite, Tetrahedrite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Mica Schist |
| Associated type: | Pegmatite |
| MRDS | D008107 |
| DEP | 10097814 |
| Reference | {Deposit:: USBM INFO CIRC 7707, P. 75-76.}{Deposit:: ROBERTS, W. L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18.}{Production:: USBM INFO CIRC 7707, P. 76.} |
| Reporter | Barari, Rachel A. |