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Cobalt Bolt 451
Rectangle Topaz & Tourmaline Faceting Diagram · Optimized for RI 1.61 · 96 Index Gear
Cutting Diagram & Optical Specifications
- Target Material
- Topaz & Tourmaline
- Refractive Index
- RI 1.61 (Critical Angle 38.4°)
- Cut Shape
- Rectangle
- Facet & Tier Count
- 19 facets · 8 tiers
- Index Gear
- 96 index
- Length / Width Ratio
- 1.45
- Optical Optimization Score
- 0.819
- Brightness & Contrast
- 1.02 / 0.72
- Deliverable
- Instant Printable PDF Cutting Instructions
Cobalt Bolt 451 is a meetpoint gemstone faceting pattern computationally optimized for Topaz & Tourmaline (RI 1.61) on a 96-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.