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extraLapis English No. 3: Tourmaline A Gemstone Spectrum
extraLapis English No 3 Tourmaline A Gemstone Spectrum Author:Many contributing authors Tourmaline has been cherished in Europe's royal treasuries for centuries but until relatively recently was assumed to be ruby or zircon. extraLapis English No.3 explores the world of tourmaline from its fascinating history to the most recent discoveries, while unforgettable images bring life to the story of the stone. Let extraLapis English No.... more » 3 take you inside these colorful crystals and lead you to the places around the world where they are found. Explore such topics as: color and inclusions, history of tourmaline, electric properties and colors, phenomena and theories, new and historic finds,tourmaline mineralogy, the Kremlin's Carbuncle, research and discoveries, and localities from the Americas to Europe and Africa to Australia.« less