This book thoroughly covers Colorado's famous aquamarine occurrence, with 90 black & white illustrations and 18 color photographs; with chapters on how and where to collect, mineral descriptions, geology descriptions and information, history and discoveries of the gems and crystals on this famous mountain; 7 x 10 inch format, 126 pages; softcover and hardcover.
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Book Description
Editorial Reviews
From the Back Cover
Mount Antero has long been known to collectors as the best American locality for gemstone aquamarine, phenakite and bertrandite. Some of the finest smoky quartz crystals in Colorado have been found in this area. The aquamarines are found above treeline in the alpine tundra of Colorado's famed Collegiate Range. These mountains have attracted mineral collectors, gem cutters, backpackers, mountain climbers and adventurers for years. The lure of brilliant blue beryls from Mount Antero eventually led to Colorado naming aquamarine as the official state gemstone. Relatively few collectors outside of Colorado are aware of the mineral discoveries that have been made on Mount Antero or have ever seen specimens or photographs of the incredible mineral richness of this region. Mark Jacobson presents a vivid account of the discoveries of these gems and the exploits of many dedicated individuals spanning a 100 year history.
About the Author
Mark I. Jacobson has specialized in pegmatites and their minerals and has visited many pegmatite districts in the United States, Norway and Australia. Many of his articles on pegmatites and their minerals are published in The Mineralogical Record, Rocks & Minerals and Mineral News. He has lectured about Mount Antero and its minerals before several mineral clubs within the United States. He is a member of Friends of Mineralogy, Colorado Chapter. During the years 1975 to 1988, he lived in Denver, Colorado and spent many days prospecting on Mount Antero. Mark I. Jacobson received his B.S. in mineralogy from the Pennsylvania State University and a M. S. in geology from the University of California at Berkeley. He is employed as a Senior Staff Geophysicist with Chevron Petroleum. TABLE OF CONTENTS: 1. Gems, Collecting and Scenery; 2. History of Mineral collecting and mining; 3. Geologic history and rocks; 4. Pegmatite genesis; 5. Mineral paragenesis and beryllium geochemistry; 6. Field collecting; 7. Descriptive mineralogy; Glossary of technical terms; Bibliography.
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