OffTheDop

Phantom Laurel 912

Heptagon Spinel & Garnet (Rhodolite, Malaya, Pyrope) Faceting Diagram · Optimized for RI 1.72 · 84 Index Gear

Cutting Diagram & Optical Specifications

Target Material
Spinel & Garnet (Rhodolite, Malaya, Pyrope)
Refractive Index
RI 1.72 (Critical Angle 35.5°)
Cut Shape
Heptagon
Facet & Tier Count
38 facets · 5 tiers
Index Gear
84 index
Length / Width Ratio
1.03
Optical Optimization Score
0.900
Brightness & Contrast
1.06 / 0.86
Deliverable
Instant Printable PDF Cutting Instructions

Phantom Laurel 912 is a meetpoint gemstone faceting pattern computationally optimized for Spinel & Garnet (Rhodolite, Malaya, Pyrope) (RI 1.72) on a 84-tooth index gear. Download includes complete tier-by-tier pavilion, girdle, and crown cutting angles, index numbers, and meetpoint diagrams.