PC 38.003
Neckernonagon
- L/W
- 102%
- Design RI
- 1.54
- H/W
- 86%
- Gear
- 72
- V/W³
- 0.327
- Symmetry
- 9 (mirrored)
- Facets
- 69
- Tiers
- 10
- Crown
- 9
- Pavilion
- 60
Sanborn, Margery; Gems & Minerals, Feb 1978, p54;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 72 816243240485664 | |
| P1 | 52.00° | 72 2 4 6 810121416182022242628303234363840424446485052545658606264666870 | |
| P2 | 48.00° | 1236 | |
| P3 | 48.00° | 60 | |
| P4 | 43.00° | 123660 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 50.00° | 72 816243240485664 | |
| C2 | 44.59° | 3042 | |
| C3 | 42.29° | 468 | |
| C4 | 42.08° | 2052 | |
| C5 | 8.00° | 722448 |