While buying things American may be in vogue again, national pride hasn’t helped sales of sapphires from the country’s vast Yogo Gulch deposit in Montana. Sitting in a mid-Manhattan Citibank vault are some 250,000 carats, mostly rough, of blue and violet sapphire, all that remains of possibly the final attempt to make a go of mining at Yogo.


Large Stone National Pride Double Taxation Limited Partnership Lively Color 
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.

Unable to display preview. Download preview PDF.

Copyright information

© Modern Jeweler Magazine 1990

Authors and Affiliations

  • David Federman

There are no affiliations available

Personalised recommendations