From the Book - Fifth edition, [updated & expanded].
pt. 1. Before beginning. Before beginning
pt. 2. Getting ready. Setting up the lab
Proper lighting for gem identification
pt. 3. The essential instruments
what they are and how to use them. The loupe and dark-field loupe
The Chelsea filter and synthetic emerald filter
pt. 4. Optional instruments
when and how to use them. The spectroscope
The diamond-type spotter and blue diamond tester
essential tools for diamond buyers
The electronic diamond tester
an essential tool for diamond buyers
The "synthetic diamond detectors"
pt. 5. Antique and estate jewelry. Antique and estate jewelry
the true test of gem identification skill
A new type of composite imitation
