OffTheDop

Cobalt Luster 505

Mirrored Cut-Corner Trillion 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
Mirrored Cut-Corner Trillion
Facet & Tier Count
52 facets · 13 tiers
Index Gear
96 index
Length / Width Ratio
1.11
Optical Optimization Score
0.883
Brightness & Contrast
0.95 / 0.94
Deliverable
Instant Printable PDF Cutting Instructions

Cobalt Luster 505 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.