Williams, Michael P; Lapidary Journal, Mar 1983, p2037;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 164880 | |
| G2 | 90.00° | 963264 | |
| P1 | 80.00° | 963264 | |
| P2 | 51.62° | 23034626694 | |
| P3 | 43.00° | 82440567288 | |
| P4 | 42.00° | 164880 | |
| P5 | 41.31° | 963264 | |
| P6 | 38.75° | 82440567288 | |
| P7 | 37.38° | 164880 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 80.00° | 963264 | |
| C2 | 42.00° | 164880 | |
| C3 | 38.00° | 72539577189 | |
| C4 | 37.00° | 32935616793 | |
| C5 | 35.50° | 62638587090 | |
| C6 | 32.50° | 963264 | |
| C7 | 17.50° | 164880 | |
| C8 | 10.00° | 963264 | |
| C9 | 9.86° | 164880 |