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

By Frank Bertram Wade

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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