Winchester, Dean S; Gems & Minerals, Apr 1976, p40;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 80 2 4 6 81012141618202224262830323436384042444648505254565860626466687072747678 | |
| P1 | 45.80° | 80 81624324048566472 | |
| P2 | 42.20° | 4122028364452606876 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 42.80° | 4122028364452606876 | |
| C2 | 38.20° | 80 81624324048566472 | |
| T | 0.00° | 80 |