for low RI materials such as fluorite or opal Copyright assigned to the public domain.
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 20286876 | Cut to length |
| G2 | 90.00° | 13356183 | Omni chain |
| G3 | 90.00° | 7415589 | " |
| G4 | 90.00° | 2465094 | " |
| P1 | 72.34° | 2465094 | " |
| P2 | 71.22° | 7415589 | " |
| P3 | 69.28° | 13356183 | " |
| P4 | 67.57° | 20286876 | Level girdle |
| P5 | 47.09° | 3165 | |
| P6 | 46.76° | 2967 | |
| P7 | 46.59° | 3363 | |
| P8 | 45.76° | 2769 | |
| P9 | 45.38° | 195 | |
| P10 | 44.89° | 3561 | |
| P11 | 44.00° | 3257193 |
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 41.88° | 2465094 | Leave some girdle |
| C2 | 40.23° | 7415589 | Level girdle |
| C3 | 36.49° | 13356183 | " |
| C4 | 36.00° | 4896 | Meet A-A at girdle |
| C5 | 34.90° | 20286876 | " |
| C6 | 31.57° | 10385886 | Meet B-C at girdle |
| C7 | 28.67° | 2472 | Meet D-D at girdle |
| C8 | 20.33° | 5435391 | Meet A-B-E-F |
| C9 | 16.67° | 16326480 | Meet C-D-F-G |
| T | 0.00° | 96 |