Porter, Edwin D; Gems & Minerals, Feb 1965, p31;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 4155 | |
| G2 | 90.00° | 626 | |
| G3 | 90.00° | 6432 | |
| P1 | 60.00° | 4155 | |
| P2 | 60.00° | 6432 | |
| P3 | 60.00° | 626 | |
| P4 | 50.00° | 4155 | |
| P5 | 50.00° | 6432 | |
| P6 | 50.00° | 626 | |
| P7 | 40.00° | 4155 | |
| P8 | 40.00° | 6432 | |
| P9 | 40.00° | 626 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 58.00° | 4155 | |
| C2 | 45.00° | 6432 | |
| C3 | 44.00° | 626 | |
| C4 | 38.00° | 4353 | |
| C5 | 37.00° | 6432 | |
| C6 | 35.00° | 4452 | |
| C7 | 27.00° | 824 | |
| C8 | 24.00° | 923 | |
| C9 | 18.00° | 6432 | |
| T | 0.00° | 64 |