Giacomini, Afton; Gems & Minerals, Jan 1969, p21;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 12 28 52 68 92108 | |
| P1 | 68.00° | 12 28 52 68 92108 | |
| P2 | 63.00° | 12 28 52 68 92108 | |
| P3 | 58.00° | 11 29 51 69 91109 | |
| P4 | 53.00° | 12 28 52 68 92108 | |
| P5 | 48.00° | 11 29 51 69 91109 | |
| P6 | 44.00° | 12 28 52 68 92108 | |
| P7 | 40.50° | 11 29 51 69 91109 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 58.00° | 12 28 52 68 92108 | |
| C2 | 50.00° | 11 29 51 69 91109 | |
| C3 | 40.00° | 8 32 48 72 88112 | |
| C4 | 36.00° | 4 36 44 76 84116 | |
| T | 0.00° | 120 |