Giacomini, Afton; Gems & Minerals, Jan 1971, p32;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 9645 | |
| G2 | 90.00° | 2567 | |
| P1 | 71.00° | 9645 | |
| P2 | 66.00° | 2567 | |
| P3 | 64.00° | 9645 | |
| P4 | 59.00° | 2567 | |
| P5 | 57.00° | 9645 | |
| P6 | 52.00° | 2567 | |
| P7 | 50.00° | 9645 | |
| P8 | 45.00° | 2567 | |
| P9 | 43.00° | 9645 | |
| P10 | 38.00° | 2567 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 42.00° | 9645 | |
| C2 | 42.00° | 2567 | |
| C3 | 38.50° | 26 | |
| C4 | 38.24° | 66 | |
| C5 | 38.04° | 24 | |
| C6 | 37.56° | 44 | |
| C7 | 37.17° | 46 | |
| C8 | 36.19° | 68 | |
| C9 | 35.94° | 1 | |
| C10 | 35.78° | 95 | |
| T | 0.00° | 48 |