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Abstract

When one gem importer buys pink sapphire from Burma tribesmen, they call it ruby—and don’t take kindly to contradiction.

Keywords

Color Blindness Premium Prex Recent Popularity Uphill Battle Color Science 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Modern Jeweler Magazine 1990

Authors and Affiliations

  • David Federman

There are no affiliations available

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