Barbour, Tom R; Lapidary Journal, Aug 1961, p345;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 22366074 | |
| G2 | 90.00° | 2076 | |
| G3 | 90.00° | 18385878 | |
| G4 | 90.00° | 1779 | |
| G5 | 90.00° | 1680 | |
| G6 | 90.00° | 1581 | |
| G7 | 90.00° | 1383 | |
| G8 | 90.00° | 1284 | |
| G9 | 90.00° | 10425486 | |
| G10 | 90.00° | 987 | |
| G11 | 90.00° | 888 | |
| G12 | 90.00° | 789 | |
| G13 | 90.00° | 690 | |
| G14 | 90.00° | 5445291 | |
| G15 | 90.00° | 492 | |
| G16 | 90.00° | 393 | |
| G17 | 90.00° | 195 | |
| G18 | 90.00° | 9648 | |
| G19 | 90.00° | 4056 | |
| G20 | 90.00° | 4650 | |
| G21 | 90.00° | 242628303234626466687072 | |
| P1 | 48.00° | 2465094 | |
| P2 | 45.60° | 888 | |
| P3 | 45.00° | 9648 | |
| P4 | 44.80° | 4155 | |
| P5 | 43.50° | 1581 | |
| P6 | 43.00° | 22267074 | |
| P7 | 41.70° | 3363 | |
| P8 | 40.80° | 12247284 | |
| P9 | 39.70° | 3660 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 52.40° | 1581 | |
| C2 | 50.67° | 393 | |
| C3 | 50.48° | 987 | |
| C4 | 48.62° | 2076 | |
| C5 | 48.21° | 3363 | |
| C6 | 47.30° | 4650 | |
| C7 | 45.63° | 2769 | |
| C8 | 44.94° | 3858 | |
| C9 | 44.67° | 1284 | |
| C10 | 42.11° | 3660 | |
| C11 | 41.00° | 9648 | |
| C12 | 38.60° | 2472 | |
| C13 | 30.00° | 2076 | |
| C14 | 29.00° | 2868 | |
| C15 | 25.00° | 4445292 | |
| T | 0.00° | 48 | |
| T | 0.00° | 48 |