Covill, Charles W; TFG Newsletter, Apr 1994, p15;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 120 24 48 72 96 | |
| G2 | 90.00° | 10 14 34 38 58 62 82 86106110 | |
| P1 | 43.00° | 11 13 35 37 59 61 83 85107109 | |
| P2 | 42.00° | 10 14 34 38 58 62 82 86106110 | |
| P3 | 39.00° | 7 17 31 41 55 65 79 89103113 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 34.00° | 120 24 48 72 96 | Meet C1-G1-G2 and level girdle |
| C2 | 33.00° | 10 14 34 38 58 62 82 86106110 | Fix girdle thickness |
| C3 | 31.00° | 11 13 35 37 59 61 83 85107109 | Meet C1-C1-C2-C2 |
| T | 0.00° | 60 |