Format: Hardcover, 6"x9" size,
294 offset pp. 1100+, illustrations
ISBN :0-940965-57-7
Publisher: Ted Themelis
Publication Date: Febr. 28, 2018

Read the review of the book by Gem-A (Journal of Gemmology, 36(3),2018, p.26)

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The Heat Treatment of Ruby & Sapphire
EXPERIMENTS & OBSERVATIONS
Volume 1
3rd Edition - 2019
by Ted Themelis

This work is written based on the fundamental structure of the previous editions of The Heat Treatment of Ruby & Sapphire, written and published by the same author in 1992 and 2012. In this new edition, the subtitle Experiments & Observations is added to emphasize the focus of this work and it is presented in two volumes as follows:

Volume 1 is dealing with the definitions and physical attributes of rubies-sapphires, the effect of heating, and the related heat treatment technology and equipment applied.

-For the gemologist, gemstone valuer, student of gemology, and gemstone enthusiast, this edition is an eye-opener showing how rubies-sapphires appear before and after heating under different conditions; how the attributes of ruby-sapphire, as well as their mineral inclusions appear before and after heating, thus assisting in gem identification.

-For the gem treater, this edition provides new options, techniques and alternative methodology in heating rubies-sapphires.

-For the gem miner, this edition indicates which type if ruby-sapphire is suitable for heat treating based on their characteristic features at the mining level.

-For the novice individuals wishing to heat treat their rubies-sapphires this edition is invaluable reference to understand the heat-treating methodology as well as the furnace technology before attempting to perform their own heating processes.

THIRD EDITION, VOLUME 1. TABLE OF CONTENTS

PREFACE TO THIRD EDITION - VOLUME 1
INSTRUMENTS & APPARATUSES USED IN WRITING THIS EDITION
GEM TREATMENT EQUIPMENT USED IN WRITING THIS EDITION
REFERENCE SPECIMENS USED IN WRITING THIS EDITION
ACKNOWLEDGEMENTS

Chapter 1. History of Heating Ruby-Sapphire
Chapter 2. Introduction to Heat Treatment of Ruby-Sapphire
Chapter 3. Attributes & Features in Ruby-Sapphire
Chapter 4. Inclusions & Related Features in Ruby-Sapphire
Chapter 5. Heating Parameter: Process Profile
Chapter 6. Heating Parameters: Atmosphere Conditions
Chapter 7. Heating Parameters: Additives
Chapter 8. Methodology in Heating Ruby-Sapphire
Chapter 9. Furnaces & Heat Treatment Equipment
Chapter 10. Damages & Problems
Chapter 11. Classification of the Heating Processes of Rubies-Sapphires

WHO SHOULD NOT BUY THIS BOOK

- Individuals who expect to become instantly wealthy by following the practical experiments discussed in this work.
- Individuals who expect to master the heat-treatment art after reading this edition.
- Individuals who would copy portions of this work, then plagiarize its contents to be used for any purposes without given credit to the source.
-Individuals who do not want to invest time to learn on the subject, but expect to get instant answers to their questions just by pressing their smart phone keyboard

We can refuse to sell this book to anyone and for any reason.