Crawford, Doris; Lapidary Journal, Dec 1963, p952;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 195 | |
| G2 | 90.00° | 393 | |
| G3 | 90.00° | 591 | |
| G4 | 90.00° | 3957 | |
| P1 | 60.00° | 3957 | |
| P2 | 55.00° | 3957 | |
| P3 | 50.00° | 195 | |
| P4 | 50.00° | 393 | |
| P5 | 50.00° | 591 | |
| P6 | 50.00° | 3957 | |
| P7 | 47.00° | 96 | |
| P8 | 47.00° | 294 | |
| P9 | 47.00° | 492 | |
| P10 | 43.00° | 195 | |
| P11 | 42.00° | 3957 | |
| P12 | 41.59° | 393 | |
| P13 | 39.94° | 96 | |
| P14 | 38.99° | 294 | |
| P15 | 37.61° | 195 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 42.00° | 3957 | |
| C2 | 37.00° | 591 | |
| C3 | 37.00° | 393 | |
| C4 | 37.00° | 195 | |
| C5 | 37.00° | 3957 | |
| T | 0.00° | 48 |