Schreur, Clarence; Lapidary Journal, Sep 1981, p1340;
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 120 8 16 24 32 40 48 56 64 72 80 88 96104112 | |
| P1 | 84.92° | 120 8 16 24 32 40 48 56 64 72 80 88 96104112 | |
| P2 | 72.00° | 4 12 20 28 36 44 52 60 68 76 84 92100108116 | |
| P3 | 56.78° | 4 20 28 44 52 68 76 92100116 | |
| P4 | 54.00° | 12 36 60 84108 | |
| P5 | 51.00° | 8 16 32 40 56 64 80 88104112 | |
| P6 | 42.50° | 8 16 32 40 56 64 80 88104112 | |
| P7 | 36.00° | 12 36 60 84108 | |
| P8 | 18.00° | 12 36 60 84108 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 60.02° | 4 20 28 44 52 68 76 92100116 | |
| C2 | 56.69° | 12 36 60 84108 | |
| C3 | 51.00° | 8 16 32 40 56 64 80 88104112 | |
| C4 | 40.00° | 8 16 32 40 56 64 80 88104112 | |
| C5 | 36.00° | 12 36 60 84108 | |
| T | 0.00° | 60 |