angles for corundum Facet Talk, May-June 98, pg. 29
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 41220283644526068768492 | |
| P1 | 60.67° | 41220283644526068768492 | |
| P2 | 49.32° | 41220283644526068768492 | |
| P3 | 42.00° | 96244872 | |
| P4 | 35.17° | 41220283644526068768492 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 50.00° | 41220283644526068768492 | |
| C2 | 37.00° | 96244872 | |
| C3 | 22.00° | 41220283644526068768492 | |
| T | 0.00° | 96 |