Shallow Triangle for Zircon
Gemology Projectopen
- L/W
- 111%
- Design RI
- 1.81
- H/W
- 55%
- Gear
- 96
- V/W³
- 0.161
- Symmetry
- 3 (mirrored)
- Facets
- 52
- Tiers
- 12
- Crown
- 25
- Pavilion
- 27
Modified from Expired Patent D250,100,
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| 2 | 90.00° | 164880 | Establish size |
| 6 | 90.00° | 112143537585 | Meet 2, 3, 4, 5 |
| 5 | 65.00° | 164880 | Meet 2, 3, 4 |
| 1 | 47.00° | 164880 | Cut to TCP |
| 3 | 46.50° | 151747497981 | Cut to TCP |
| 4 | 40.30° | 112143537585 | Cut to TCP |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| A | 44.00° | 151747497981 | Establish minimum girdle width |
| B | 40.80° | 112143537585 | Meet A, even girdle |
| C | 34.00° | 164880 | Meet A, A at girdle |
| E | 26.15° | 963264 | Meet A, B, C & Girdle |
| D | 24.20° | 151747497981 | Meet A, B, C |
| T | 0.00° | 24 | Meet C and E |