OffTheDop

Cobalt Prism 166

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
49 facets · 9 tiers
Index Gear
96 index
Length / Width Ratio
1.01
Optical Optimization Score
0.849
Brightness & Contrast
0.98 / 0.80
Deliverable
Instant Printable PDF Cutting Instructions

Cobalt Prism 166 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.