OffTheDop

Cobalt Halo 628

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
67 facets · 11 tiers
Index Gear
96 index
Length / Width Ratio
1.00
Optical Optimization Score
0.818
Brightness & Contrast
0.97 / 0.79
Deliverable
Instant Printable PDF Cutting Instructions

Cobalt Halo 628 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.