PDF Download Gemstones of North America
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Gemstones of North America
PDF Download Gemstones of North America
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Review
Since its publication almost four decades ago, this work by renowned gem and mineral expert John Sinkankas has been a standard reference on the subject of the gem materials found throughout North America. The present volume, the third in the series, follows previous volumes published in 1959 and 1976. It presents the latest and most comprehensive information on North America's gemstones, based on Sinkankas' extensive correspondence with gem and mineral dealers, individuals actively engaged in mining operations, and his knowledge of the gemological literature. Gemstone entries, both minerals and rocks, are listed alphabetically. Within each entry, the occurrences of each gemstone are mostly arranged in a geographical order from the northeast to the south and southwest parts of North America. They are all grouped into convenient political divisions, such as the provinces of Canada and the states of Mexico.... The third volume in this series carries on the purpose of chronicling the occurrence of gemstones in North America and efforts to recover them. Anyone interested in gem localities will find much value in this book. -- Economic Geologist, Vol.92, no.5, 1997Sinkankas, an internationally recognized authority of gemology and mineral collecting, provides this comprehensive update and continuation to his widely read Gemstones of North America (v.1, 1959; v.2, 1976). It supplements the first two but incorporates enough of the basic information to be used by itself. New data is given on many of the earlier described minerals and localities, with especially interesting material included in relation to newly developed sites for diamond, amber, beryl, sapphire, and jade. For each of more than 500 minerals and mineral families, there is an explanation of the gem characteristics and detailed descriptions of the source localities in states and provinces of the US, Canada, and Mexico plus localities in the Caribbean and Central America. The well-written text is supported by some excellent color photographs of gemstone locations and working sites. References to informa- tion in geological publications, mineralogical journals, and popular gemology magazines are given for each of the minerals and locations. Recommended for libraries maintaining collections on gemstones and minerals. General readers; undergraduates. -- Choice, September, 1997Thousands of owners of Volumes I and II of John Sinkankas' Gem- stones of North America have waited eagerly for this book which reveals new materials, new locations, and updates previously reported data. No other set of books has helped the amateur and professionals in our field as much in understanding the immense wealth of gem materials in North America. Hundreds of gemstones are covered in alphabetical order, with the organiza- tion of the localities for each starting in the northeast and progressing to the south and southwest. Many of the gemstones are new, or rare, or have been found in previously unknown areas. Besides these recent developments, each entry includes record or unusual occurrences and references to the people involved in discoveries, mining, and cutting. The origins of some species are discussed, gem crystals are described, and current values are often given. Each entry also includes a list of books and magazine articles for reference.... The Sinkankas gemstone books reveal an overwhelming amount of research, but are written in a style which is admired by the general public as well as the gem/mineral/lapidary devotee. So, although it is clearly a reference book, it is also a book which will be read from cover to cover, a can't-put-it-down book for gem enthusiasts. The 16 breathtaking color plates with photos by Harold and Erica Van Pelt top the many illustrations. The black-and-white pictures show mining, field collecting, carvings, and drawings. Interesting to serious collectors are pictures of covers of significant books. There are also numerous maps of important localities. John Sinkankas is author of 15 books about gems, minerals, and lapidary, and is regularly the most read author in this field. Some of his cut stones are in the Smithsonian. His extensive library is now in the Gemological Institute of America headquarters in California. John and his wife, Marjorie, also operate an out-of-print and rare book business, Peri-Lithon Books in San Diego. This book is a "must have" for anyone interested in gemstones and lapidary, and the valuable natural resources of North America. For gem and lapidary hobbyists, this book is one of the most important to be published in many years. -- Lapidary Journal, July, 1997
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From the Back Cover
Since publication of Volume II in 1976, the tempo for the search for gemstones in North America has greatly increased with demand and advanced technology. In this definitive and final volume, Sinkankas shares his continuing research, and updates the development of the older, well- establish gem deposits. New discoveries and key persons in mining are introduced along with a wealth of historical and technical detail. There's exciting new information about: Montana sapphires; red beryl from Utah; pink and green tourmaline from California and Maine; strongly-banded agates from the Midwest; pearls; insect-bearing amber; new diamond finds, and the prospect of commercial production of diamonds in North America--and much more! Enhanced by maps of localities; book and periodical references; full-color photos by world-class gem photographers, Erica and Harold Van Pelt, this authoritative treatment of North American gemstone exploration is a necessary reference tool for anyone involved in the fascinating world of gems.
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Product details
Hardcover: 526 pages
Publisher: Geoscience Pr (February 1, 1997)
Language: English
ISBN-10: 0945005229
ISBN-13: 978-0945005223
Product Dimensions:
7.5 x 1.5 x 10.5 inches
Shipping Weight: 3.1 pounds
Average Customer Review:
4.8 out of 5 stars
6 customer reviews
Amazon Best Sellers Rank:
#519,505 in Books (See Top 100 in Books)
This book is the Bible for North American gemstones. It has more information about gems and deposits than any other book. The only downside is that it is a little old.
I like the fact that this has so much detailed information about the actual mine sites. Plus the history of the discovery. This book really surprised me and I am very happy to own it.
Only one word...EXCELLENT!...nuff said.
Awesome book.
good
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.
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