BY THE SAME AUTHOR
THE CHEMISTRY, PROPERTIES AND TESTS OF PRECIOUS STONES. BY JOHN
CONTENTS
PREFACE
THE CHEMISTRY, PROPERTIES AND TESTS OF PRECIOUS STONES
CHAPTER I. INTRODUCTORY.
CHAPTER II. THE ORIGIN OF PRECIOUS STONES.
CHAPTER III. PHYSICAL PROPERTIES. A Crystalline Structure.
CHAPTER IV. PHYSICAL PROPERTIES. B Cleavage.
CHAPTER V. PHYSICAL PROPERTIES. C Light.
CHAPTER VI. PHYSICAL PROPERTIES. D Colour.
CHAPTER VII. PHYSICAL PROPERTIES. E Hardness.
CHAPTER VIII. PHYSICAL PROPERTIES. F Specific Gravity.
CHAPTER IX. PHYSICAL PROPERTIES. G Heat.
CHAPTER X. PHYSICAL PROPERTIES. H Magnetic and Electric Influences.
CHAPTER XI. THE CUTTING OF PRECIOUS STONES.
CHAPTER XII. IMITATIONS, AND SOME OF THE TESTS, OF PRECIOUS STONES.
CHAPTER XIII. VARIOUS PRECIOUS STONES. The Diamond.
CHAPTER XIV. VARIOUS PRECIOUS STONES continued. The Chrysoberyl.
CHAPTER XV. VARIOUS PRECIOUS STONES continued . Zircon.
INDEX
