Giacomini, Afton; Gems & Minerals, Jul 1971, p49;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 120 24 48 72 96 | |
| P1 | 57.59° | 120 24 48 72 96 | |
| P2 | 50.82° | 23 47 71 95119 | |
| P3 | 44.15° | 120 24 48 72 96 | |
| P4 | 41.00° | 23 47 71 95119 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 51.95° | 120 24 48 72 96 | |
| C2 | 44.57° | 2 26 50 74 98 | |
| C3 | 42.00° | 22 46 70 94118 | |
| C4 | 24.96° | 18 42 66 90114 | |
| T | 0.00° | 120 |