Barbour, Tom R; Lapidary Journal, May 1963, p303;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 195 | |
| G2 | 90.00° | 4254 | |
| G3 | 90.00° | 2967 | |
| G4 | 90.00° | 393 | |
| G5 | 90.00° | 2670 | |
| G6 | 90.00° | 3759 | |
| G7 | 90.00° | 3462 | |
| G8 | 90.00° | 3264 | |
| G9 | 90.00° | 96 | |
| G10 | 90.00° | 294 | |
| G11 | 90.00° | 3363 | |
| G12 | 90.00° | 3561 | |
| G13 | 90.00° | 3957 | |
| G14 | 90.00° | 2868 | |
| G15 | 90.00° | 492 | |
| G16 | 90.00° | 1878 | |
| G17 | 90.00° | 2373 | |
| G18 | 90.00° | 4650 | |
| G19 | 90.00° | 789 | |
| G20 | 90.00° | 1185 | |
| P1 | 47.00° | 195 | |
| P2 | 46.00° | 393 | |
| P3 | 45.46° | 294 | |
| P4 | 42.64° | 3462 | |
| P5 | 42.22° | 3165 | |
| P6 | 41.82° | 2967 | |
| P7 | 41.00° | 3066 | |
| P8 | 40.11° | 3759 | |
| P9 | 39.92° | 1185 | |
| P10 | 39.86° | 3660 | |
| P11 | 39.50° | 4254 | |
| P12 | 39.25° | 1977 | |
| P13 | 36.84° | 1581 | |
| P14 | 35.09° | 48 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 39.74° | 3462 | |
| C2 | 38.61° | 4254 | |
| C3 | 38.03° | 3165 | |
| C4 | 37.50° | 195 | |
| C5 | 36.93° | 2967 | |
| C6 | 36.54° | 393 | |
| C7 | 36.45° | 3759 | |
| C8 | 35.00° | 3066 | |
| C9 | 35.00° | 3660 | |
| C10 | 35.00° | 294 | |
| C11 | 31.13° | 1977 | |
| C12 | 30.50° | 96 | |
| C13 | 30.23° | 1185 | |
| C14 | 29.79° | 48 | |
| C15 | 28.41° | 3363 | |
| C16 | 25.92° | 1581 | |
| C17 | 24.07° | 4254 | |
| C18 | 20.83° | 987 | |
| C19 | 19.03° | 2472 | |
| T | 0.00° | 48 | |
| T | 0.00° | 48 |