ADAMAS GEMOLOGICAL LABORATORY publishes gemologically oriented software for the jewelry appraiser, jeweler, or student in gemology or mineralogy. The laboratory also provides technical consulting and jewelry appraisal services to the trade and the public and expert witness services to the legal profession.

CHINESE CHAMELEON DIAMOND SPECTRA

SAS2000: Developed, Produced And Supported In The USA   Questions, Comments, Product Support
Adamas Gemological Laboratory is proud to introduce to the industry the custom built SAS2000 Spectrophotometer Analysis System for diamond and gemstone evaluation and grading. The SAS2000 provides the most accurate colorimetry available today for diamond color grading, helps determine radiation treatments of diamond, provides better ability than the DeBeer's DiamondSure to detect probable  synthetic diamonds , and replaces the spectroscope for transparent gemstone evaluation.

NEW CHINESE CHAMELEON DIAMOND DATA

The following spectra of Chinese chameleon diamond is apparently  type Ib diamond, with the identifying characteristic the hump in the spectra at around 600nm. These have been refered to as "chameleon", but I have been recently told that this may not be so..



 
 
 
 
 
 
 

 SAS2000 Spectrophotometer   Questions, Comments, Product Support AD