PC 09.141
Sphal3
DataVueopen
- L/W
- 100%
- Design RI
- 2.16
- H/W
- 56%
- Gear
- 96
- V/W³
- 0.191
- Symmetry
- 4 (mirrored)
- Facets
- 76
- Tiers
- 12
- Crown
- 16
- Pavilion
- 60
Finlayson, Jim; UKFCG Faceters' Stonechat, Jan 1996, p13;
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| G1 | 90.00° | 222264650707494 | Fix size of the stone |
| G2 | 90.00° | 618304254667890 | Meet (G1-P2-P3) |
| P1 | 38.00° | 222264650707494 | Meet (G1-P1-G1) |
| P2 | 37.00° | 96244872 | Cut to PCP |
| P3 | 35.92° | 618304254667890 | Meet (P1-P2-P2-P1) |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| C1 | 30.00° | 222264650707494 | Fix girdle thickness |
| C2 | 26.88° | 96244872 | Meet A-girdle |
| C3 | 26.42° | 618304254667890 | Meet A-girdle |
| C4 | 20.82° | 12366084 | Meet C-girdle |
| C5 | 20.17° | 12366084 | Meet (A-B-C-D) |
| C6 | 15.67° | 618304254667890 | Meet (A-B-C-D-E) |
| C7 | 8.63° | 12366084 | Meet (F-E-F) |