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Product Weight: Approx
and stone outlines allow users to estimate diamond weight without removing the stone from its setting
combining the extreme practical of utilize with small dimensions
Dimensions: 75 × 167 × 17 mm
Estimated Stone diameter measurement (Separated Stone settings)
Gemstones of the World by Walter Schumann - 5th Edition Tweezers Product Weight: ApproxNewly published in a fifth edition, this definitive guide takes the mystery out of appreciating, buying and selling gemstones. It covers everything from the romance and history of more than 1,800 gemstones to their geographic locations; scientific, physical and colour properties; and the way they are formed, structured and mined. The book also fully covers the optical features of gems light and colour, luminescence, refraction and inclusions and key
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