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Title: Detailed compilation of discoveris of NA gemstones
Review: This is an update featuring all new information which has come to light since vol. II was published in 1976. It is a detailed compilation of discoveries and occurrences of all North American gemstones.The book is organized simply with a brief description of each stone followed by details from each geographical region in which it has been found. Detailed bibliographical references follow each entry, facilitating further study.There is a dazzling section of 16 color plates highlighting the most spectacular recent discoveries. An array of heat-treated sapphire colors, precious opal, exquisite turquoise & a beautiful elephant tourmaline carving are featured.Of special interest are recent diamond discoveries and an extensive section on the varieties and cultivation of pearls. This is an indispensable reference for anyone interested in the wide variety of gemstones in North America.
