OffTheDop

Celestial Prism 100

Truncated Cushion Pentagon Quartz, Amethyst & Citrine Faceting Diagram · Optimized for RI 1.54 · 120 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Quartz, Amethyst & Citrine
Refractive Index
RI 1.54 (Critical Angle 40.5°)
Cut Shape
Truncated Cushion Pentagon
Facet & Tier Count
76 facets · 10 tiers
Index Gear
120 index
Length / Width Ratio
1.04
Optical Optimization Score
0.872
Brightness & Contrast
0.99 / 0.88
Deliverable
Instant Printable PDF Cutting Instructions

Celestial Prism 100 is a meetpoint gemstone faceting pattern computationally optimized for Quartz, Amethyst & Citrine (RI 1.54) on a 120-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.