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Smoky Starburst 776
Truncated Heptagon Beryl (Aquamarine, Morganite, Heliodor & Emerald) Faceting Diagram · Optimized for RI 1.58 · 84 Index Gear
Cutting Diagram & Optical Specifications
- Target Material
- Beryl (Aquamarine, Morganite, Heliodor & Emerald)
- Refractive Index
- RI 1.58 (Critical Angle 39.3°)
- Cut Shape
- Truncated Heptagon
- Facet & Tier Count
- 85 facets · 12 tiers
- Index Gear
- 84 index
- Length / Width Ratio
- 1.03
- Optical Optimization Score
- 0.905
- Brightness & Contrast
- 1.08 / 0.93
- Deliverable
- Instant Printable PDF Cutting Instructions
Smoky Starburst 776 is a meetpoint gemstone faceting pattern computationally optimized for Beryl (Aquamarine, Morganite, Heliodor & Emerald) (RI 1.58) on a 84-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.