A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
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A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public

By Frank Bertram Wade
Free
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Table of Contents
  • The Project Gutenberg eBook of A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public, by Frank Bertram Wade
    • E-text prepared by Peter Vachuska, Chuck Greif, Stephen Blundell, and the Project Gutenberg Online Distributed Proofreading Team (http://www.pgdp.net)
  • A TEXT-BOOK OF PRECIOUS STONES
    • FRANK B. WADE, B.S.
    • PREFACE
    • INTRODUCTION
    • CONTENTS
  • A Text-Book of Precious Stones
    • LESSON I
      • HOW STONES ARE DISTINGUISHED FROM ONE ANOTHER
    • LESSON II
      • REFRACTION
    • LESSON III
      • DOUBLE REFRACTION
        • Table Giving Character of Refraction in the Principal Gems
    • LESSON IV
      • ABSORPTION AND DICHROISM
    • LESSON V
      • SPECIFIC GRAVITY
        • Table of Specific Gravities of the Principal Gem Materials
    • LESSON VI
      • SPECIFIC GRAVITY DETERMINATIONS
    • LESSON VII
      • LUSTER AND OTHER REFLECTION EFFECTS
    • LESSON VIII
      • HARDNESS
        • Table of Hardness of the Principal Gem-Stones
    • LESSON IX
      • HARDNESS—Continued
    • LESSON X
      • DISPERSION
    • LESSON XI
      • COLOR
        • YELLOW STONES
    • LESSON XII
      • COLOR—Continued
        • GREEN STONES
    • LESSON XIII
      • COLOR—Continued
        • BLUE STONES
    • LESSON XIV
      • COLOR—Concluded
        • PINK, PURPLE, BROWN, AND COLORLESS STONES
    • LESSON XV
      • HOW TO TELL SCIENTIFIC STONES FROM NATURAL GEMS
    • LESSON XVI
      • HOW TO TEST AN "UNKNOWN" GEM
    • LESSON XVII
      • SUITABILITY OF STONES FOR VARIOUS TYPES OF JEWELS, AS DETERMINED BY HARDNESS, BRITTLENESS, AND CLEAVABILITY
    • LESSON XVIII
      • MINERAL SPECIES TO WHICH THE VARIOUS GEMS BELONG AND THE CHEMICAL COMPOSITION THEREOF
    • LESSON XIX
      • THE NAMING OF PRECIOUS STONES
    • LESSON XX
      • THE NAMING OF PRECIOUS STONES (Concluded)
    • LESSON XXI
      • WHERE PRECIOUS STONES ARE FOUND
    • LESSON XXII
      • HOW ROUGH PRECIOUS STONES ARE CUT
    • LESSON XXIII
      • HOW ROUGH PRECIOUS STONES ARE CUT AND WHAT CONSTITUTES GOOD "MAKE"—Concluded
    • LESSON XXIV
      • FORMS GIVEN TO PRECIOUS STONES
    • LESSON XXV
      • IMITATIONS OF PRECIOUS STONES
    • LESSON XXVI
      • ALTERATION OF THE COLOR OF PRECIOUS STONES
    • LESSON XXVII
      • PEARLS
    • LESSON XXVIII
      • CULTURED PEARLS AND IMITATIONS OF PEARLS
    • LESSON XXIX
      • THE USE OF BALANCES AND THE UNIT OF WEIGHT IN USE FOR PRECIOUS STONES
    • LESSON XXX
      • TARIFF LAWS ON PRECIOUS AND IMITATION STONES
    • BIBLIOGRAPHY
    • INDEX
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