Giacomini, Afton; Gems & Minerals, Aug 1970, p41;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 1967 | |
| G2 | 90.00° | 9648 | |
| P1 | 76.55° | 1967 | |
| P2 | 68.88° | 9648 | |
| P3 | 66.79° | 1967 | |
| P4 | 45.70° | 4795 | |
| P5 | 44.28° | 1967 | |
| P6 | 41.50° | 4795 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 33.00° | 9648 | |
| C2 | 13.20° | 1967 | |
| C3 | 2.00° | 4492 |