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Through Gem and Crystal Treasures, Dr. Bancroft provides the reader with 100 field trips to many of the worlds most exotic gem and mineral localities. You will relive the discovery and earliest days of mining at each deposit, and meet those who worked in and about the mines – all portrayed in 667 b/w illustrations, and accompanied by an incredible amount of historical background information on each of these important mineral and gem producing localities. Over 320 crystallized mineral and gemstone treasures and specimens are depicted in full color. Each mineral specimen has been selected as one of the choicest examples available, worldwide – specimens pictured are from some of the worlds most notable mineralogical / gemological museum displays, as well as from the collections of private individuals. The mineral photographs are augmented by photos of exquisite gemstone carvings, faceted gems, and stunning jewelry made from the gemstones found at these localities.