Cheat sheet
Gem Faceting Reference Guide Bundle — 4-Page Digital Download
A printable reference set designed to keep the most commonly needed faceting information within reach at your workstation.
This four-page digital bundle includes:
Gemstone Refractive Index Guide —
Gemstone Critical Angle Guide —
Stone-Specific Faceting RPM Guide —
Cerium Polish Cheat Sheet —
These guides are made for beginner and experienced gem cutters who want a convenient studio reference without repeatedly searching for the same information online. Print the full set and keep it beside your faceting machine, or view the pages digitally from your phone, tablet, or computer.
*Values and RPM recommendations are intended as practical starting points. Results may vary depending on the individual stone, orientation, lap, lubricant, machine, pressure, and cutting technique. Use a measured refractive index whenever possible for precision work.