| Collection | ABDUG University of Aberdeen, Geological Collections |
| Object Name | Gneiss |
| Object Number | ABDUG Rock.5296 |
| Brief Description | Metasomatically altered gneiss with riebeckite occurring locally next the nepheline-syenite |
| Place Key | Blue Mountain, Ontario, Canada |
| Aquisition Source | T.C.P.; American Nepheline Co. |
| Aquisition Date | 01/01/1958 |