Cannell, D; Canadian Rockhound, Apr 1969, p52;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 2 61014182226303438424650545862 | |
| P1 | 43.00° | 2 61014182226303438424650545862 | |
| P2 | 40.00° | 64 8162432404856 | |
| P3 | 25.00° | 64 8162432404856 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 60.00° | 2 61014182226303438424650545862 | |
| T | 0.00° | 64 |