Barbour, Tom R; Lapidary Journal, Oct 1962, p679;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 4650 | |
| G2 | 90.00° | 3 9152175818793 | |
| G3 | 90.00° | 2571 | |
| G4 | 90.00° | 2769 | |
| G5 | 90.00° | 2967 | |
| G6 | 90.00° | 3165 | |
| G7 | 90.00° | 3363 | |
| G8 | 90.00° | 3561 | |
| G9 | 90.00° | 3858 | |
| G10 | 90.00° | 4254 | |
| P1 | 44.76° | 3264 | |
| P2 | 44.45° | 1581 | |
| P3 | 44.40° | 2868 | |
| P4 | 43.80° | 3 924728793 | |
| P5 | 42.00° | 3660 | |
| P6 | 41.38° | 3462 | |
| P7 | 41.00° | 961284 | |
| P8 | 40.70° | 2670 | |
| P9 | 37.82° | 4452 | |
| P10 | 35.39° | 48 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 40.50° | 3 915818793 | |
| C2 | 40.20° | 2868 | |
| C3 | 39.68° | 2472 | |
| C4 | 38.84° | 3264 | |
| C5 | 35.60° | 3660 | |
| C6 | 35.00° | 9612267084 | |
| C7 | 33.81° | 4452 | |
| C8 | 33.00° | 3462 | |
| C9 | 30.50° | 48 | |
| C10 | 26.16° | 3660 | |
| C11 | 24.52° | 3066 | |
| C12 | 24.20° | 690 | |
| C13 | 16.82° | 2175 | |
| T | 0.00° | 48 | |
| T | 0.00° | 48 |