Dichroscopes Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools (The Antoinette Matlins "RIGHT-WAY" Series to Using Gem Identification Tools)

Refractometers Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools (The "RIGHT-WAY" Series to Using Gem Identification Tools)

Chelsea and Synthetic Emerald Testers Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools (The "RIGHT-WAY" Series to Using Gem Identification Tools)

Loupes Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools (The "RIGHT-WAY" Series to Using Gem Identification Tools)

Gem Identification Made Easy (6th Edition): A Hands-On Guide to More Confident Buying & Selling

TekcoPlus Heavy Duty New Calcite Dichroscope Two Pleochroic Colors Gemstone Identification

Chelsea (Jadeite) Filter Gemstone for Gems, Emerald, Green stones Testing, Loupe

SE 860PT 4.5" Pick-Up Tool with 4 Prongs

Calcite Dichroscope

Gemstones of the World: Newly Revised Fifth Edition