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Cobalt Sonata 655
Truncated Hexagon Quartz, Amethyst & Citrine Faceting Diagram · Optimized for RI 1.54 · 96 Index Gear
Cutting Diagram & Optical Specifications
- Target Material
- Quartz, Amethyst & Citrine
- Refractive Index
- RI 1.54 (Critical Angle 40.5°)
- Cut Shape
- Truncated Hexagon
- Facet & Tier Count
- 72 facets · 13 tiers
- Index Gear
- 96 index
- Length / Width Ratio
- 1.06
- Optical Optimization Score
- 0.826
- Brightness & Contrast
- 1.03 / 0.77
- Deliverable
- Instant Printable PDF Cutting Instructions
Cobalt Sonata 655 is a meetpoint gemstone faceting pattern computationally optimized for Quartz, Amethyst & Citrine (RI 1.54) on a 96-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.