Cornwall, John H; Gems & Minerals, Mar 1979, p54;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 96244872 | |
| G2 | 90.00° | 915333957638187 | |
| P1 | 54.50° | 96244872 | |
| P2 | 51.75° | 915333957638187 | |
| P3 | 46.00° | 321274551697593 | |
| P4 | 44.00° | 915333957638187 | |
| P5 | 42.50° | 222264650707494 | |
| P6 | 41.75° | 717314155657989 | |
| P7 | 41.50° | 1113353759618385 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 53.00° | 915333957638187 | |
| C2 | 49.00° | 96244872 | |
| C3 | 48.50° | 1014343858628286 | |
| C4 | 46.50° | 1113353759618385 | |
| C5 | 46.00° | 12366084 | |
| C6 | 39.00° | 96244872 | |
| C7 | 31.00° | 96244872 | |
| T | 0.00° | 96 |