Mason, Wilton; Lapidary Journal, May 1983 p33;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 321274551697593 | |
| P1 | 45.00° | 321274551697593 | |
| P2 | 41.66° | 123254749717395 | |
| P3 | 40.00° | 519294353677791 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 46.00° | 321274551697593 | |
| C2 | 39.64° | 123254749717395 | |
| C3 | 38.00° | 519294353677791 | |
| C4 | 35.02° | 321274551697593 | |
| T | 0.00° | 48 |