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 all essential information to analyze the results got with the standard gemological tools; In addition, it will give you the maximum of updated tips to separate natural gemstones from imitations, synthesis and treated gems.         View detailed features        Order now   Since the first edition in 2002, this chart became 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?