The overall format of previous editions has been maintained and new information has been incorporated in a similar style. This edition has two new chapters, on the manufacture and enhancement of gemstones and the old chapter on the detection of synthetic, imitation and composite stones has been rearranged. In the past decade the development of new synthetics has proceeded apace. Nowadays clean rubies and emeralds need very careful investigation since they could be natural or synthetic. However careful use of the microscope ...
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The overall format of previous editions has been maintained and new information has been incorporated in a similar style. This edition has two new chapters, on the manufacture and enhancement of gemstones and the old chapter on the detection of synthetic, imitation and composite stones has been rearranged. In the past decade the development of new synthetics has proceeded apace. Nowadays clean rubies and emeralds need very careful investigation since they could be natural or synthetic. However careful use of the microscope can still elucidate many problems and new instruments are shown in the text.
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Add this copy of Gem Testing to cart. $34.38, very good condition, Sold by ThriftBooks-Dallas rated 5.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1990 by Butterworth-Heinemann.
Add this copy of Gem Testing to cart. $34.46, very good condition, Sold by HPB-Ruby rated 5.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1990 by Butterworths.
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Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of Gem Testing to cart. $36.89, good condition, Sold by HPB-Red rated 5.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1990 by Butterworths.
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Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority!
Add this copy of Gem Testing to cart. $34.44, good condition, Sold by GW Spokane Books rated 4.0 out of 5 stars, ships from Spokane, WA, UNITED STATES, published 1990 by Butterworth-Heinemann.
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Condition: GOOD-Used with some wear from use. May include stickers on cover, missing or wear to dustcover, inside cover, spine, slight curled corners, stains, and wear to the fore edge. All orders ship via UPS Mail Innovations-MAY TAKE UP TO 10 BUSINESS DAYS from first scan to be delivered.
Add this copy of Gem Testing to cart. $72.97, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 1990 by Butterworths.
Add this copy of Gem Testing, Tenth Edition to cart. $136.39, new condition, Sold by GridFreed rated 4.0 out of 5 stars, ships from North Las Vegas, NV, UNITED STATES, published 1990 by Butterworths.
Add this copy of Gem Testing, Tenth Edition to cart. $87.00, very good condition, Sold by Buckeye Bookshop Online rated 3.0 out of 5 stars, ships from Stow, OH, UNITED STATES, published 1990 by Butterworths.
This is a textbook, second edition, and if gem testing and identification is your thing, this book is excellent. However, the book is beyond the weekend rock hound, unless you?re in an area rich with rubies and diamonds. First tool needed, a wide field binocular microscope, along with your dichroscope. Again, a must for a few.