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The Heat Treatment of Ruby & Sapphire
-EXPERIMENTS & OBSERVATIONS
Volume 1
3rd Edition - 2018
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.

- Volume 2 describes and reports on numerous heat treatment experiments and observations performed by the author on rubies-sapphires organized by their apparent color (red-pink, blue, yellow, etc.), types of heating process (flux, beryllium, lithium, lead, etc.) and heating rubies-sapphires by their country of origin (from Afghanistan to Zimbabwe).

These two volumes together compose the basis for understanding the heat treatment of ruby-sapphire covering all important phases in the subject.
-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.

HEAT TREATMENT
OF RUBY & SAPPHIRE

Experiments & Observations
VOLUME 1

  • Format: Hardcover, 6"x9"
  • 300+ offset pp.
  • ISBN :0-940965-57-7
  • Publisher: Ted Themelis
  • Pub. Date: 2018

CAT# 135 US$150
Expected delivery: February 2018

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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. Preparation for Heat Treating
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.

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