| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD039PS0 | Corundum | Black star Corundum | Canada | 0 | Ritter 154, 12 B |
| GRD039QS0 | Corundum | Synthetic Ruby | N/A | 0 | Ritter 154, 12 B |
| GRD039RS0 | Corundum | Blue Star Corundum | Dungannon, Ontario, Canada | 0 | Ritter 154, 12 B |
| GRD039SS0 | Corundum | Burminco Bulk Corundum | India | 0 | Ritter 154, 12 B |
| GRD039TS0 | Corundum | Various pieces of Corundum all from unknown origins. | Various | 0 | Ritter 154, 12 B |