Gemmes

Gifts of the gemstone guardians: the mission, purpose, effects, and therapeutic applications of gemstones in their spherical form

Michael Katz

The Jeweler's Directory of Gemstones: A Complete Guide to Appraising and Using Precious Stones From Cut and Color to Shape and Settings

Judith Crowe

Les douze forces vibratoires: quatre-vingts pierres et cristaux, neuf polyèdres, neuf chakras spirituels associés à quatre-vingts symboles pour développer votre prémonition, votre aura, votre force d'agir

Jean-Marie Schneider

Color encyclopedia of gemstones

Joel E. Arem.

The mystical lore of precious stones: the classic writings of George Frederick Kunz.

George Frederick Kunz

The mystical lore of precious stones.

George Frederick Kunz

Gems & minerals: earth treasures from the Royal Ontario Museum

Kimberly Tait

Gems of the World

Cally Oldershaw

Antique gems and rings.

By C.W. King ...

Gems & precious stones in the United States, Canada & Mexico: a popular description ... by George F. Kunz