Review Gemstones of the World by Walter Schumann RTF

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Gemstones of the World

Category: Non Fiction
Author: Walter Schumann
Editor: -
Rating: 4 of 5 stars
Counts: 2647
Original Format: Hardcover, Expanded Third Edition, 272 pages
Download Formats: pdf, mobi, ibooks, odf, azw, epub, fb2, lit, prc
Publication date: -
Publication City/Country: -
Publisher: January 1st 2007 by Sterling (first published November 1st 1977)
Language: English
ISBN: 1402740166
ISBN13: 9781402740169
ASIN: -
Price: -
Series: N/A
Tags: Non Fiction   Reference   Science   Environment   Nature   Geology  
Original Title: Gemstones of the World
Description:
Gemstones of the World is truly the single volume that every hobbyist, jeweler, jewelry maker, and rockhound needs: it’s the cornerstone of the field. And this updated edition contains a host of new findings on “Gemstones for Collectors,” additional gems in the “Table of Constants,” and the “double fraction” figures that experts have long wanted-a very special new feature.

All the gemstones are treated in their many variations: more than 1,500 full-color photos showcase each precious and semiprecious stone in both its rough, natural, and its polished and cut renditions. Each entry offers complete information on the gemstone’s formation, structure, physical properties, and characteristics, along with the best methods of working, cutting, and polishing it. There are even full treatments of lesser-known gems, from andalusite to vesuvian, and a special section is devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. Organic gem materials are also covered, such as coral, ivory, amber, and pearl. Charts and tables help collectors identify unknown gemstones and check for genuineness.

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