Covill, Charles; Unpublished (N Bend meeting);
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 8040 | |
| G2 | 90.00° | 2060 | |
| G3 | 90.00° | 10305070 | |
| P1 | 69.01° | 2060 | |
| P2 | 54.82° | 80 | Level girdle |
| P3 | 53.41° | 2456 | |
| P4 | 53.13° | 3050 | Level girdle |
| P5 | 50.66° | 1070 | Level girdle |
| P6 | 49.88° | 40 | Level girdle |
| P7 | 46.54° | 872 | Meet P5-P6-girdle |
| P8 | 45.00° | 824405672 | Meet P2-P3-P4 |
| P9 | 38.00° | 4122028364452606876 | Meet P2-P3-P4-P8 form PCP. |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 43.00° | 8040 | Match pavilion; fix girdle size |
| C2 | 43.00° | 10305070 | Level girdle |
| C3 | 43.00° | 2060 | Level girdle |
| C4 | 37.12° | 1394179 | Meet C1-C2-girdle |
| C5 | 34.48° | 19215961 | Meet C2-C3-girdle |
| C6 | 25.15° | 8040 | Meet C5-C1-C5 |
| C7 | 19.20° | 2060 | Meet C4-C3-C3 |
| T | 0.00° | 40 | Table |