Hartley, David P; Lapidary Journal, Apr 1967, p94;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 961632486480 | |
| P1 | 62.00° | 961632486480 | |
| P2 | 46.00° | 82440567288 | |
| P3 | 41.00° | 82440567288 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 61.00° | 961632486480 | |
| C2 | 45.00° | 82440567288 | |
| C3 | 15.00° | 82440567288 |