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

About this eBook

Author

Wade, Frank Bertram, 1875-1950

Credits

E-text prepared by Peter Vachuska, Chuck Greif, Stephen Blundell, and the Project Gutenberg Online Distributed Proofreading Team ( www.pgdp.net)

Language

English

LoC Class

TS: Technology: Manufactures

Subject

Precious stones

Category

Text

eBook-No.

28058

Project Gutenberg

https://www.gutenberg.org/ebooks/28058

Release Date

February 12, 2009

Copyright

Public domain in the USA.

Contents

1. 1.A TEXT-BOOK OF PRECIOUS STONES
2. 2.FRANK B. WADE, B.S.
3. 3.PREFACE
4. 4.INTRODUCTION
5. 5.CONTENTS — A Text-Book of Precious Stones
6. 6.LESSON I — HOW STONES ARE DISTINGUISHED FROM ONE ANOTHER
7. 7.LESSON II — REFRACTION
8. 8.LESSON III — DOUBLE REFRACTION — Table Giving Character of Refraction in the Principal Gems
9. 9.LESSON IV — ABSORPTION AND DICHROISM
10. 10.LESSON V — SPECIFIC GRAVITY — Table of Specific Gravities of the Principal Gem Materials
11. 11.LESSON VI — SPECIFIC GRAVITY DETERMINATIONS
12. 12.LESSON VII — LUSTER AND OTHER REFLECTION EFFECTS
13. 13.LESSON VIII — HARDNESS — Table of Hardness of the Principal Gem-Stones
14. 14.LESSON IX — HARDNESS— Continued
15. 15.LESSON X — DISPERSION
16. 16.LESSON XI — COLOR — YELLOW STONES
17. 17.LESSON XII — COLOR— Continued — GREEN STONES
18. 18.LESSON XIII — COLOR— Continued — BLUE STONES
19. 19.LESSON XIV — COLOR— Concluded — PINK, PURPLE, BROWN, AND COLORLESS STONES
20. 20.LESSON XV — HOW TO TELL SCIENTIFIC STONES FROM NATURAL GEMS
21. 21.LESSON XVI — HOW TO TEST AN "UNKNOWN" GEM
22. 22.LESSON XVII — SUITABILITY OF STONES FOR VARIOUS TYPES OF JEWELS, AS DETERMINED BY HARDNESS, BRITTLENESS, AND CLEAVABILITY
23. 23.LESSON XVIII — MINERAL SPECIES TO WHICH THE VARIOUS GEMS BELONG AND THE CHEMICAL COMPOSITION THEREOF
24. 24.LESSON XIX — THE NAMING OF PRECIOUS STONES
25. 25.LESSON XX — THE NAMING OF PRECIOUS STONES ( Concluded )
26. 26.LESSON XXI — WHERE PRECIOUS STONES ARE FOUND
27. 27.LESSON XXII — HOW ROUGH PRECIOUS STONES ARE CUT
28. 28.LESSON XXIII — HOW ROUGH PRECIOUS STONES ARE CUT AND WHAT CONSTITUTES GOOD "MAKE"— Concluded
29. 29.LESSON XXIV — FORMS GIVEN TO PRECIOUS STONES
30. 30.LESSON XXV — IMITATIONS OF PRECIOUS STONES
31. 31.LESSON XXVI — ALTERATION OF THE COLOR OF PRECIOUS STONES
32. 32.LESSON XXVII — PEARLS
33. 33.LESSON XXVIII — CULTURED PEARLS AND IMITATIONS OF PEARLS
34. 34.LESSON XXIX — THE USE OF BALANCES AND THE UNIT OF WEIGHT IN USE FOR PRECIOUS STONES
35. 35.LESSON XXX — TARIFF LAWS ON PRECIOUS AND IMITATION STONES
36. 36.BIBLIOGRAPHY
37. 37.INDEX

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