Giacomini, Afton; Gems & Minerals, Jul 1970, p37;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 9648 | |
| G2 | 90.00° | 2775 | |
| P1 | 57.00° | 2775 | |
| P2 | 55.00° | 9648 | |
| P3 | 49.00° | 2775 | |
| P4 | 48.00° | 9648 | |
| P5 | 42.00° | 2775 | |
| P6 | 41.00° | 9648 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 37.00° | 9648 | |
| C2 | 36.65° | 2775 | |
| C3 | 34.00° | 4795 | |
| C4 | 34.00° | 2876 | |
| C5 | 33.00° | 2674 | |
| C6 | 31.00° | 149 | |
| T | 0.00° | 48 |