Books

Gemstones Terra Connoisseur by Vladyslav Y. Yavorskyy, 2017

Gemstones Identification Chart by Nicolas Lazzarelli Ed. 2023

Tables of gemstones identification. Birgit Gunther - 3° edition - 256 pages, 135 colored tables German/English version

Guida alle gemme del mondo by Walter Schumann - Second edition - 320 pages

Asterism - Gems with a Star
Author: Martin P-. Steinbach

IL GIOIELLO DEL MARE: LA PERLA Origine, storia e caratteristiche della PERLA di Giovanni Corsetti
In Italian Language only!

L'ambra: l'origine, le caratteristiche, i trattamenti e le imitazioni by Giovanni Corsetti - 1998 - 80 pages, 43 color photos
ONLY AVAILABLE IN ITALIAN LANGUAGE!

Diamond The Ultimate Gemstone 2017, By Emma Bullock 150 Pag

INCLUSIONS AND CHRACTERISTICS OF GEMSTONES - ANDERGASSEN A PHOTO GUIDE TO GEMSTONES
In Italian Language!

Gemme - dati per l'identificazione by P. De Stefano, R. Marcon and S. Morabitov - Finpreziosi Italia S.r.l. edition of 1993 - 100 pages

 Schemi di Taglio - Italian Language!
GEMSTONE CUTS VOL. 1 50 PAGES, 36 Gem cutting Styles

Rubini infiltrati by P. Visconti e E. Piccardo - 210 color pages
Only available in Italian Language!