Hamm, Jack; Gems & Minerals, Oct 1968, p27;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 64 8162432404856 | |
| P1 | 75.00° | 64 8162432404856 | |
| P2 | 70.00° | 1 7 915172325313339414749555763 | |
| P3 | 66.00° | 3 51113192127293537434551535961 | |
| P4 | 60.00° | 2 61014182226303438424650545862 | |
| P5 | 57.00° | 3 51113192127293537434551535961 | |
| P6 | 53.00° | 2 61014182226303438424650545862 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 85.00° | 64 8162432404856 | |
| C2 | 82.00° | 1 7 915172325313339414749555763 | |
| C3 | 78.00° | 3 51113192127293537434551535961 | |
| C4 | 74.00° | 2 61014182226303438424650545862 | |
| C5 | 70.00° | 3 51113192127293537434551535961 | |
| C6 | 67.00° | 2 61014182226303438424650545862 | |
| C7 | 53.00° | 3 51113192127293537434551535961 |