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Ted's Biography
Ted Themelis received his Bachelor of Science degree from the City University of New York in 1975. He has worked extensively in development, engineering, and manufacturing of innovative gemological testing instruments and apparatuses. Since 1979, he has been involved in various experimental gemstone enhancement projects, primarily in the heat treatment of ruby/sapphire. He has traveled extensively, to the most inaccessible gem mining areas in Burma, Sri Lanka, Thailand, Vietnam, Pakistan, India, Afghanistan, Nepal, Tanzania, Kenya, S. Africa, Venezuela, Colombia, Brazil, China, and elsewhere. From 1984-1986, he served as Director of Research & Development of the Accredited Gemologists Association in the USA. He has published over 120 articles on gem identification, instrumention, treatments, inclusions, and other subjects. In 1995 he produced the first electric resistance 1800°C furnace on the market, using MoSi2 1900°C heating elements with full atmospheric control, specifically designed for the heat-treamtent of ruby and sapphire. He maintains state-of-the-art gemstone enhancement laboratories in Europe, Thailand, and in the USA, providing heat treatment technology, equipment, and services to the gem and jewelery industry. In his workshop in Bangkok he fabricates special gemological LED microscopes.
 
   
 
 
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