Lotus Gemology's E. Billie Hughes will review the major treatments of ruby and sapphire and how they can be identified.
The treatment of ruby and sapphire is one of the biggest factors that influences its value in the market, yet some treatments are routinely overlooked. This presentation will discuss the methods Lotus Gemology uses to identify different types of heat treatment as well as the fissure filling that is so common today. We will also cover some challenging cases where evidence can be misleading.
When
Sunday, 2 February 2025, 4:00 pm
Where
NAJA's 63rd Annual Winter Education Conference
Tucson Convention Center, Maricopa Room
260 South Church Avenue
Tucson, Arizona