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- 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
- HOW STONES ARE DISTINGUISHED FROM ONE ANOTHER
- LESSON II
- REFRACTION
- REFRACTION
- LESSON III
- DOUBLE REFRACTION
- Table Giving Character of Refraction in the Principal Gems
- Table Giving Character of Refraction in the Principal Gems
- DOUBLE REFRACTION
- DOUBLE REFRACTION
- Table Giving Character of Refraction in the Principal Gems
- Table Giving Character of Refraction in the Principal Gems
- LESSON IV
- ABSORPTION AND DICHROISM
- ABSORPTION AND DICHROISM
- LESSON V
- SPECIFIC GRAVITY
- Table of Specific Gravities of the Principal Gem Materials
- Table of Specific Gravities of the Principal Gem Materials
- SPECIFIC GRAVITY
- SPECIFIC GRAVITY
- Table of Specific Gravities of the Principal Gem Materials
- Table of Specific Gravities of the Principal Gem Materials
- LESSON VI
- SPECIFIC GRAVITY DETERMINATIONS
- SPECIFIC GRAVITY DETERMINATIONS
- LESSON VII
- LUSTER AND OTHER REFLECTION EFFECTS
- LUSTER AND OTHER REFLECTION EFFECTS
- LESSON VIII
- HARDNESS
- Table of Hardness of the Principal Gem-Stones
- Table of Hardness of the Principal Gem-Stones
- HARDNESS
- HARDNESS
- Table of Hardness of the Principal Gem-Stones
- Table of Hardness of the Principal Gem-Stones
- LESSON IX
- HARDNESS—Continued
- HARDNESS—Continued
- LESSON X
- DISPERSION
- DISPERSION
- LESSON XI
- COLOR
- YELLOW STONES
- YELLOW STONES
- COLOR
- COLOR
- YELLOW STONES
- YELLOW STONES
- LESSON XII
- COLOR—Continued
- GREEN STONES
- GREEN STONES
- COLOR—Continued
- COLOR—Continued
- GREEN STONES
- GREEN STONES
- LESSON XIII
- COLOR—Continued
- BLUE STONES
- BLUE STONES
- COLOR—Continued
- COLOR—Continued
- BLUE STONES
- BLUE STONES
- LESSON XIV
- COLOR—Concluded
- PINK, PURPLE, BROWN, AND COLORLESS STONES
- PINK, PURPLE, BROWN, AND COLORLESS STONES
- COLOR—Concluded
- COLOR—Concluded
- PINK, PURPLE, BROWN, AND COLORLESS STONES
- PINK, PURPLE, BROWN, AND COLORLESS STONES
- LESSON XV
- HOW TO TELL SCIENTIFIC STONES FROM NATURAL GEMS
- HOW TO TELL SCIENTIFIC STONES FROM NATURAL GEMS
- LESSON XVI
- HOW TO TEST AN "UNKNOWN" GEM
- HOW TO TEST AN "UNKNOWN" GEM
- LESSON XVII
- SUITABILITY OF STONES FOR VARIOUS TYPES OF JEWELS, AS DETERMINED BY HARDNESS, BRITTLENESS, AND CLEAVABILITY
- 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
- MINERAL SPECIES TO WHICH THE VARIOUS GEMS BELONG AND THE CHEMICAL COMPOSITION THEREOF
- LESSON XIX
- THE NAMING OF PRECIOUS STONES
- THE NAMING OF PRECIOUS STONES
- LESSON XX
- THE NAMING OF PRECIOUS STONES (Concluded)
- THE NAMING OF PRECIOUS STONES (Concluded)
- LESSON XXI
- WHERE PRECIOUS STONES ARE FOUND
- WHERE PRECIOUS STONES ARE FOUND
- LESSON XXII
- HOW ROUGH PRECIOUS STONES ARE CUT
- HOW ROUGH PRECIOUS STONES ARE CUT
- LESSON XXIII
- HOW ROUGH PRECIOUS STONES ARE CUT AND WHAT CONSTITUTES GOOD "MAKE"—Concluded
- HOW ROUGH PRECIOUS STONES ARE CUT AND WHAT CONSTITUTES GOOD "MAKE"—Concluded
- LESSON XXIV
- FORMS GIVEN TO PRECIOUS STONES
- FORMS GIVEN TO PRECIOUS STONES
- LESSON XXV
- IMITATIONS OF PRECIOUS STONES
- IMITATIONS OF PRECIOUS STONES
- LESSON XXVI
- ALTERATION OF THE COLOR OF PRECIOUS STONES
- ALTERATION OF THE COLOR OF PRECIOUS STONES
- LESSON XXVII
- PEARLS
- PEARLS
- LESSON XXVIII
- CULTURED PEARLS AND IMITATIONS OF PEARLS
- CULTURED PEARLS AND IMITATIONS OF PEARLS
- LESSON XXIX
- THE USE OF BALANCES AND THE UNIT OF WEIGHT IN USE FOR PRECIOUS STONES
- THE USE OF BALANCES AND THE UNIT OF WEIGHT IN USE FOR PRECIOUS STONES
- LESSON XXX
- TARIFF LAWS ON PRECIOUS AND IMITATION STONES
- TARIFF LAWS ON PRECIOUS AND IMITATION STONES
- BIBLIOGRAPHY
- INDEX
- LESSON I
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