Worden, Gary and Wordon, Paul W Jr; Gems & Minerals, No 472, Feb. 1977, pp8,67;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 2 814182430344046505662667278 | |
| P1 | 65.00° | 824405672 | |
| P2 | 60.70° | 2141830344650626678 | |
| P3 | 54.00° | 8016324864 | |
| P4 | 45.00° | 4122028364452606876 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 52.10° | 824405672 | |
| C2 | 41.50° | 2141830344650626678 | |
| C3 | 30.00° | 8016324864 | |
| T | 0.00° | 80 |