Stern, Sol W; Lapidary Journal, May 1967, p350;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 80 4 81216202428323640444852566064687276 | |
| P1 | 55.00° | 80 4 81216202428323640444852566064687276 | |
| P2 | 30.00° | 80 81624324048566472 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 83.00° | 80 4 81216202428323640444852566064687276 | |
| C2 | 35.00° | 80 4 81216202428323640444852566064687276 |