PF08007D Preform
- L/W
- 125%
- Design RI
- 1.76
- H/W
- 82%
- Gear
- 64
- V/W³
- 0.390
- Symmetry
- 2 (mirrored)
- Facets
- 75
- Tiers
- 20
- Crown
- 31
- Pavilion
- 28
Barbour, Tom R; Lapidary Journal, Jun 1962, p360;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 15174749 | |
| G2 | 90.00° | 13194551 | |
| G3 | 90.00° | 3293561 | |
| G4 | 90.00° | 1313363 | |
| P1 | 55.88° | 1313363 | Meet P1-P1-P2 |
| P2 | 54.89° | 6432 | Meet P1-P1-P2-P3 |
| P3 | 53.41° | 3293561 | Meet P1-G2-G3 |
| P4 | 45.41° | 15174749 | Meet P5-G3-G4 |
| P5 | 44.94° | 13194551 | Meet P1-P2-G2-G3 |
| P6 | 44.61° | 1648 | Meet P1-P1-P5-P6 |
| P7 | 42.00° | 64 8162432404856 | Meet P1-P1-P2 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 42.78° | 3293561 | Level girdle |
| C2 | 41.96° | 1313363 | Fix girdle width |
| C3 | 39.84° | 13194551 | Level girdle |
| C4 | 38.36° | 15174749 | Level girdle |
| C5 | 37.81° | 6432 | Meet A-G1-G1-A |
| C6 | 30.51° | 8244056 | Meet B-G2-G3-C |
| C7 | 26.41° | 11214353 | Meet F-C-D |
| C8 | 21.79° | 2303462 | Meet E-A-B-F |
| T | 0.00° | 64 | Table |