When one gem importer buys pink sapphire from Burma tribesmen, they call it ruby—and don’t take kindly to contradiction.
KeywordsColor 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.
Unable to display preview. Download preview PDF.
© Modern Jeweler Magazine 1990