Gem Identification BlueChart | Home | Features | Order | Lab reports & links | Contact | Author |
Diamond?
Fracture filled?
Irradiated?
HPHT treated?
Ruby?
Glass filled ?
Diffused?
Synthetic?
 
Tables of Gemstone Identification
 
Emerald?
Fracture filled?
Synthetic?
Triplet?
Sapphire?
Heat treated ?
Diffused?
Synthetic?
 
This chart is a compilation of key information to analyze the results obtained with standard gemological tools such as refractometer, microscope & loupe, dichroscope, polariscope, spectroscope, density scale, UV lights, dichromatic filter;
The main goal is to distinguish between natural and treated gemstones, synthesis and imitations;
Traps and potentially misleading results are highlighted.
 
Updated Edition 2012         Overview        Order now
 
Since its first edition in 2002, this chart has become a reference for hundreds of gemologists.
      "...Not all gem charts are created equal, as BLUE CHART'S new incredibly comprehensive and detailed gem ID chart attests..."
Instore Magazine: The magazine for the American jewelry store owner
 
Amber?  

Amber or copal?
Clarity improved ?
Reconstructed?
Gems, Minerals, & Fossils WebRing by s_r_a_inc
[ Join Now | Ring Hub | Random | << Prev | Next >> ]
-
Turquoise?  


Impregnated?
Reconstructed ?
Synthetic?