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Precious Stones

Precious Stones

$4.95
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This book was written for gem dealers. Many gem dealers have been deterred from beginning a study of gems because of the seeming difficulties in connection with the scientific determination of the different varieties of stones. In planning and in writing this 104-page book, every effort has been...
  • Model: ne-5
  • In Stock: 100000000

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    • This book was written for gem dealers. Many gem dealers have been deterred from beginning a study of gems because of the seeming difficulties in connection with the scientific determination of the different varieties of stones. In planning and in writing this 104-page book, every effort has been made to teach the fundamental principles and methods in use for identifying precious stones, in as natural an order as possible.

    Some of the Chapters included:

    HOW STONES ARE DISTINGUISHED FROM ONE ANOTHER
    REFRACTION
    DOUBLE REFRACTION
    ABSORPTION AND DICHROISM
    HOW TO TELL SCIENTIFIC STONES FROM NATURAL GEMS
    HOW TO TEST AN "UNKNOWN" GEM
    THE NAMING OF PRECIOUS STONES
    WHERE PRECIOUS STONES ARE FOUND
    HOW ROUGH PRECIOUS STONES ARE CUT
    FORMS GIVEN TO PRECIOUS STONES
    AND MUCH MORE ...

    ADDITIONAL INFORMATION:

    eBook Format: Adobe PDF
    Platform: Windows and Macintosh
    Download Format: Compressed .ZIP
    File Size: 653 KB
    Master Resell Rights: Yes!

    You will get an instant download of this product after purchase when paying with credit card.

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