Giacomini, Afton; Gems & Minerals, Aug 1972, p38;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 120 24 48 72 96 | |
| P1 | 64.00° | 120 24 48 72 96 | |
| P2 | 58.00° | 120 24 48 72 96 | |
| P3 | 49.00° | 2 22 26 46 50 70 74 94 98118 | |
| P4 | 41.00° | 12 36 60 84108 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 58.00° | 120 24 48 72 96 | |
| C2 | 45.00° | 2 22 26 46 50 70 74 94 98118 | |
| C3 | 20.07° | 9 15 33 39 57 63 81 87105111 | |
| T | 0.00° | 120 |