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      Discover our gemmology library: illustrated travel journals, expedition tales and reference works by Patrick Voillot, gemmologist graduated from the French National Institute of Gemmology and author of numerous books and documentaries on precious stones.

      Books to explore the world of gemstones

      From the aquamarine mines of the Karakoram to the emeralds of Colombia, by way of tanzanites and the pink diamonds of Tanzania, each book takes you to the places where the world's finest gems are unearthed, to meet the people who extract them. Authentic, illustrated adventure tales that tell the story of the stones before they become jewels.

      The reference encyclopedia of gems

      The “Guide Voillot”, an encyclopedia of over 700 pages, meticulously describes more than 300 gems: an essential reference for gemmology enthusiasts, students and professionals. A beautiful gift idea for any lover of precious stones — why not pair it with one of our natural gems?