Strout, Edith B; Lapidary Journal, Sep 1971, p820;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 2373 | |
| G2 | 90.00° | 3957 | |
| G3 | 90.00° | 492 | |
| G4 | 90.00° | 2868 | |
| P1 | 48.00° | 492 | |
| P2 | 47.00° | 3957 | |
| P3 | 45.00° | 2373 | |
| P4 | 44.00° | 2868 | |
| P5 | 42.92° | 294 | |
| P6 | 42.00° | 24276972 | |
| P7 | 41.00° | 2967 | |
| P8 | 41.00° | 3759 | |
| P9 | 41.00° | 690 | |
| P10 | 40.00° | 2274 | |
| P11 | 40.00° | 4155 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 39.65° | 2373 | |
| C2 | 36.30° | 3957 | |
| C3 | 36.00° | 492 | |
| C4 | 33.95° | 2868 | |
| C5 | 32.04° | 2274 | |
| C6 | 31.70° | 294 | |
| C7 | 31.50° | 2472 | |
| C8 | 31.46° | 3759 | |
| C9 | 30.40° | 690 | |
| C10 | 30.30° | 2373 | |
| C11 | 30.28° | 4155 | |
| C12 | 30.02° | 2571 | |
| C13 | 29.39° | 3066 | |
| C14 | 28.50° | 4056 | |
| C15 | 27.00° | 492 | |
| C16 | 19.03° | 2769 | |
| T | 0.00° | 96 |