OffTheDop

Polished Drift 899

Truncated 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 Pentagon
Facet & Tier Count
61 facets · 10 tiers
Index Gear
120 index
Length / Width Ratio
1.05
Optical Optimization Score
0.834
Brightness & Contrast
0.75 / 0.83
Deliverable
Instant Printable PDF Cutting Instructions

Polished Drift 899 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.