GemNotes

Burma Ruby Is Focus of Heated Debate If you thought last month’s article on ruby enhancements posed a complication that can be sidestepped through simple disclosure (“Truth or Consequences: The Case for Full Disclosure of Ruby Treatment,” JCK, May 1999, p. 190), there’s more to the problem. Heat treatment with glass filling is just the tip of the ruby-enhancement iceberg. Ruby fissure “healing” might sink the ship. Fissure healing? In some rubies, the fissures are simply glass-“filled,” also called “in-filling.” But there are others whose fissures might actually be “healed,” that is, re-crystallized and repaired during the heat-treatment process. “As far as I know, it’s a combination of both,” says Roland Naftule, American Gem Trade Association rules committee chairman and owner of Nafco Gems in Scottsdale, Ariz. “It heals and re-crystallizes. This is
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