PC 01.300
Spiral Brilliant Modified
- L/W
- 100%
- Design RI
- 1.54
- H/W
- 70%
- Gear
- 64
- V/W³
- 0.256
- Symmetry
- 8 (mirrored)
- Facets
- 129
- Tiers
- 9
- Crown
- 33
- Pavilion
- 32
Schreur, Clarence; Lapidary Journal, May 1963, p301;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 64 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 | |
| P1 | 52.00° | 64 8162432404856 | |
| P2 | 48.00° | 1 9172533414957 | |
| P3 | 44.00° | 210182634425058 | |
| P4 | 42.00° | 311192735435159 |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 43.74° | 2 61014182226303438424650545862 | |
| C2 | 37.00° | 64 8162432404856 | |
| C3 | 23.29° | 412202836445260 | |
| T | 0.00° | 64 |