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EDUCATION

MICROSCOPE FACTS

   - LED TECHNOLOGY

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   - COMPARE MICROSCOPES

GEM TREATMENTS

GRAY AREAS

HEAT TREATMENT TECHNOLOGY

HEAT TREATING RUBY & SAPPHIRE

DETECTION OF BE WITH LIBS

GLASS FILLED RUBIES

U.S. FTC RULES ON DISCLOSURE

COST EFFECTIVE TREATMENT

CRANKING UP THE HEAT

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Learn about various gemological, geological and technological issues related to gems.

 
 
   
 
 
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Site Updated July 16, 2010
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