Hamm, Jack; Gems & Minerals, Mar 1969, p43;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 3165 | |
| G2 | 90.00° | 1581 | |
| G3 | 90.00° | 96 | |
| G4 | 90.00° | 48 | |
| P1 | 53.85° | 3165 | |
| P2 | 49.00° | 96 | |
| P3 | 45.00° | 12933636795 | |
| P4 | 43.00° | 12933636795 | |
| P5 | 43.00° | 1581 | |
| P6 | 43.00° | 48 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 41.00° | 3165 | |
| C2 | 41.00° | 96 | |
| C3 | 37.00° | 195 | |
| C4 | 37.00° | 3066 | |
| C5 | 36.36° | 3264 | |
| C6 | 36.18° | 48 | |
| C7 | 36.00° | 1581 | |
| T | 0.00° | 48 |