Hartley, David P; Lapidary Journal, Jun 1967, p486;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 9612243648607284 | |
| P1 | 77.00° | 9612243648607284 | |
| P2 | 75.00° | 618304254667890 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 83.40° | 9612243648607284 | |
| C2 | 82.48° | 3 91521273339455157636975818793 | |
| T | 0.00° | 48 |