Whipple, M W; Lapidary Journal, Feb 1958, p21;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 1657 | |
| G2 | 90.00° | 39 | |
| G3 | 90.00° | 2548 | |
| G4 | 90.00° | 7 | |
| G5 | 90.00° | 6432 | |
| P1 | 55.00° | 71625394857 | |
| P2 | 55.00° | 6432 | |
| P3 | 46.00° | 71625394857 | |
| P4 | 43.00° | 7253957 | |
| P5 | 41.00° | 1648 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 45.00° | 6432 | |
| C2 | 45.00° | 71625394857 | |
| C3 | 35.00° | 71625394857 | |
| C4 | 25.00° | 7253957 | |
| C5 | 21.68° | 1648 | |
| C6 | 19.00° | 739 | |
| C7 | 12.00° | 739 | |
| C8 | 5.00° | 739 |