Barbour, Tom R; Lapidary Journal, Feb 1962, p650;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 163 | |
| G2 | 90.00° | 1648 | |
| G3 | 90.00° | 2737 | |
| G4 | 90.00° | 2143 | |
| G5 | 90.00° | 1945 | |
| G6 | 90.00° | 1549 | |
| G7 | 90.00° | 262 | |
| G8 | 90.00° | 361 | |
| G9 | 90.00° | 460 | |
| G10 | 90.00° | 559 | |
| G11 | 90.00° | 658 | |
| G12 | 90.00° | 856 | |
| G13 | 90.00° | 32 | |
| P1 | 53.00° | 163 | |
| P2 | 51.00° | 64 | |
| P3 | 51.00° | 1450 | |
| P4 | 49.00° | 460 | |
| P5 | 49.00° | 1945 | |
| P6 | 48.00° | 2143 | |
| P7 | 47.04° | 2044 | |
| P8 | 47.00° | 64 | |
| P9 | 46.82° | 2341 | |
| P10 | 45.60° | 559 | |
| P11 | 44.00° | 2440 | |
| P12 | 43.00° | 5204459 | |
| P13 | 43.00° | 2737 | |
| P14 | 42.00° | 2440 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 55.28° | 1945 | |
| C2 | 50.97° | 2044 | |
| C3 | 50.36° | 2341 | |
| C4 | 50.00° | 163 | |
| C5 | 42.00° | 361 | |
| C6 | 42.00° | 2143 | |
| C7 | 41.67° | 460 | |
| C8 | 41.01° | 2836 | |
| C9 | 37.99° | 658 | |
| C10 | 34.00° | 32 | |
| C11 | 30.00° | 955 | |
| C12 | 19.34° | 64 | |
| C13 | 18.85° | 658 | |
| C14 | 14.00° | 2539 | |
| C15 | 6.15° | 1846 | |
| T | 0.00° | 32 | |
| T | 0.00° | 32 |