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Glowing Spark 684
Oval 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
- Oval
- Facet & Tier Count
- 88 facets · 25 tiers
- Index Gear
- 96 index
- Length / Width Ratio
- 1.77
- Optical Optimization Score
- 0.855
- Brightness & Contrast
- 0.66 / 0.94
- Deliverable
- Instant Printable PDF Cutting Instructions
Glowing Spark 684 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.