| Lat / long: | 43.83329, -103.39945 |
| Primary: | Feldspar, Mica, Beryllium |
| Ore: | Beryl, Biotite, Feldspar, Microcline, Muscovite |
| Gangue: | Quartz, Tourmaline |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host type: | Pegmatite |
| Associated type: | Pegmatite,Granite |
| MRDS | SD02517 |
| DEP | 10055771 |
| Reference | USBM CIRC 7707, P. 74 |
| Reporter | Barari, Rachel A. |