Hamm, Jack; Gems & Minerals, Apr 1969, p30;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 64 8162432404856 | |
| G2 | 90.00° | 412202836445260 | |
| P1 | 66.50° | 64 8162432404856 | |
| P2 | 43.00° | 64 8162432404856 | |
| P3 | 42.00° | 412202836445260 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 66.00° | 64 8162432404856 | |
| C2 | 42.00° | 64 8162432404856 | |
| C3 | 40.43° | 412202836445260 | |
| C4 | 30.58° | 64 8162432404856 | |
| T | 0.00° | 32 |