Gem-Stones and Their Distinctive Characters
PART I—SECTION B
THE TECHNOLOGY OF GEM-STONES
XI. UNIT OF WEIGHT 84
XII. FASHIONING OF GEM-STONES 88
XIII. NOMENCLATURE OF PRECIOUS STONES 109
XIV. MANUFACTURED STONES 113
XV. IMITATION STONES 124
Gem-Stones and Their Distinctive Characters
THE TECHNOLOGY OF GEM-STONES
XI. UNIT OF WEIGHT 84
XII. FASHIONING OF GEM-STONES 88
XIII. NOMENCLATURE OF PRECIOUS STONES 109
XIV. MANUFACTURED STONES 113
XV. IMITATION STONES 124