| Lat / long: | 43.86913, -103.38945 |
| Primary: | Mica, Beryllium, Feldspar |
| Ore: | Beryl, Feldspar, Muscovite |
| Gangue: | Cleavelandite, Microcline, Quartz, Tourmaline |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host type: | Pegmatite |
| Associated type: | Pegmatite |
| MRDS | SD02520 |
| DEP | 10055773 |
| Reference | USBM CIRC 7707, P. 71 |
| Reporter | Barari, Rachel A. |