商品簡介
The first popular guide to these brilliantly banded and highly prized gemstones.
The agate is one of the world's most strikingly beautiful semi-precious gems. Collectors worldwide are drawn to the stone's infinite variety of colorations and banding. Agates form within rock cavities, taking on distinctive shapes and colors according to local geology. While many specimens are readily available, the rare and higher-quality ones are valuable and sought after. This book is a comprehensive, easy-to-use identification guide and worldwide listing of where agates are found.
Produced in cooperation with the Natural History Museum of London, Agates is an up-to-date reference and introduction to their formation and individuality. Beautifully illustrated with full-color photographs of superb specimens from around the world, this book is an indispensable resource and reference for amateur gemologists and agate collectors.
作者簡介
Roger Pabian is a research geologist, invertebrate paleontologist and highly respected specialist in agates. He lives in Lincoln, Nebraska.
Brian Jackson is head of mineralogy at the National Museums Scotland and professor emeritus at the University of Nebraska-Lincoln.
Peter Tandy is curator of mineralogy at the Natural History Museum in London, England.
John Cromartie is a collector of Scottish agates.
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