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Nebula Aurora 879
Truncated Cushion Pentagon Spinel & Garnet (Rhodolite, Malaya, Pyrope) Faceting Diagram · Optimized for RI 1.72 · 120 Index Gear
Cutting Diagram & Optical Specifications
- Target Material
- Spinel & Garnet (Rhodolite, Malaya, Pyrope)
- Refractive Index
- RI 1.72 (Critical Angle 35.5°)
- Cut Shape
- Truncated Cushion Pentagon
- Facet & Tier Count
- 94 facets · 13 tiers
- Index Gear
- 120 index
- Length / Width Ratio
- 1.02
- Optical Optimization Score
- 0.886
- Brightness & Contrast
- 1.09 / 0.86
- Deliverable
- Instant Printable PDF Cutting Instructions
Nebula Aurora 879 is a meetpoint gemstone faceting pattern computationally optimized for Spinel & Garnet (Rhodolite, Malaya, Pyrope) (RI 1.72) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.