Angle Cut Cylinders 20# Gemological Instruments Jewelry pieces are stashed with

Jewelry pieces are stashed with peace of mind in this black crocodile leatherette box

4 mm) collet

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

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

Angle Cut Cylinders 20# Gemological Instruments Jewelry pieces are stashed withCeramilite 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