Gemology

Larousse

JOYAUX ET PIERRES PRECIEUSES                    

Sterling

Gemstones of the World: Newly Revised Fifth Edition

DK

Gemstones (DK Handbooks)                        

Abrams Books

The Smithsonian National Gem Collection Unearthed: Surprising Stories Behind the Jewels

LEDUC.S

Ma bible des pierres et cristaux                

GemStone Press

Gem Identification Made Easy: A Hands-On Guide to More Confident Buying & Selling

Ao Press

Gemology Book of Colors: A Rainbow of Gemstones  

TREDANIEL

Encyclopédie des cristaux                        

Gemology For Beginners : A Guide to Unveiling the Secrets of Gemstone (English Edition)

Independently published

L is for Luxury: The ABC's of Gemology