Angle Cut Cylinders 20# Gemological Instruments A specialty pitch cup from

A specialty pitch cup from GRS that melts when heated to securely hold small

The procedures and techniques detailed in this book will help the diamond setter advance in his skills

4 mm) collet

A direct-vision spectroscope designed for quick gem testing and colour analysis in your bench toolkit

For use with all jewellers metals including silver

Angle Cut Cylinders 20# Gemological Instruments A specialty pitch cup fromCeramilite The clean running light media that is between ceramic and plasticbonds. Metal removal is not quite as fast on bulk or dense materialsas ceramic, but measurably faster than plastic. Finishability is finerthan ceramic and brighter than the s