Stones: A Material and Cultural History

Dictionary of Gems and Gemology

Rocks and Minerals

Handy Pocket Guide to Asian Gemstones

Gemmology

Gemstones A to Z: A Handy Reference to Healing Crystals

The Seven Archetypal Stones: Their Spiritual Powers and Teachings

Rocks, Gems, and Minerals

Crystal Prescriptions: The A-Z Guide to Over 1,200 Symptoms and Their Healing Crystals

The Healing Power of Crystals: Birthstones and Their Celestial Partners

Cutting and Polishing Gemstones - A Collection of Historical Articles on the Methods and Equipment Used for Working Gems

The Crystal Bible Volume 1: The definitive guide to over 200 crystals

Cunningham's Encyclopedia of Crystal, Gem & Metal Magic

Jewels: A Secret History

The Metaphysical Book of Gems and Crystals

The Crystal Healer: Crystal prescriptions that will change your life forever

Crystals for Beginners: A Guide to Collecting & Using Stones & Crystals

Crystals: The Modern Guide to Crystal Healing

Modern Rockhounding and Prospecting Handbook

101 Power Crystals: The Ultimate Guide to Magical Crystals, Gems, and Stones for Healing and Transformation