PREFACE
THE CHEMISTRY, PROPERTIES AND TESTS OF PRECIOUS STONES
CHAPTER I.
INTRODUCTORY.
CHAPTER II.
THE ORIGIN OF PRECIOUS STONES.
CHAPTER III.
PHYSICAL PROPERTIES.
CHAPTER IV.
CHAPTER V.
CHAPTER VI.
CHAPTER VII.
CHAPTER VIII.
CHAPTER IX.
CHAPTER X.
CHAPTER XI.
THE CUTTING OF PRECIOUS STONES.
CHAPTER XII.
IMITATIONS, AND SOME OF THE TESTS, OF PRECIOUS STONES.
CHAPTER XIII.
VARIOUS PRECIOUS STONES.
CHAPTER XIV.
VARIOUS PRECIOUS STONES— continued.
CHAPTER XV.
VARIOUS PRECIOUS STONES— continued .
INDEX
