PC 04.156
Octagon Gem
- L/W
- 133%
- Design RI
- 1.61
- H/W
- 70%
- Gear
- 96
- V/W³
- 0.394
- Symmetry
- 2 (mirrored)
- Facets
- 69
- Tiers
- 22
- Crown
- 8
- Pavilion
- 61
Covill, Charles W; Covill Original Designs (1994) 6-13;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 9648 | |
| G2 | 90.00° | 2472 | |
| G3 | 90.00° | 12366084 | |
| P1 | 58.20° | 2472 | |
| P2 | 48.60° | 12366084 | |
| P3 | 47.40° | 2472 | |
| P4 | 44.40° | 9648 | |
| P5 | 42.90° | 22267074 | |
| P6 | 41.50° | 9648 | |
| P7 | 41.10° | 18306678 | |
| P8 | 39.40° | 1474995 | |
| P9 | 39.00° | 2465094 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 55.10° | 12366084 | |
| C2 | 35.00° | 9648 | |
| C3 | 35.00° | 2472 | |
| C4 | 31.00° | 1474995 | |
| C5 | 29.70° | 23257173 | |
| C6 | 21.10° | 2465094 | |
| C7 | 19.80° | 22267074 | |
| C8 | 18.20° | 3455193 | |
| C9 | 17.10° | 21276975 | |
| T | 0.00° | 48 |