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The Splendour of Spinel, part 2: Types and Treatments
Diffusion Ruby” Proves to be Synthetic Ruby Overgrowth on Natural Corundum — AGL Research & Publications
Tourmaline Meaning & Healing Properties, Metaphysical Stone
Blue color zoning observed in some of the unusual rubies; immersed in
Aquamarine Emerald Cut Long 8.73 Carat - Rare Gemstone Company
PDF) Challenging Synthetic Rubies Examined in GIA's Bangkok and Hong Kong Laboratories
PDF) Challenging Synthetic Rubies Examined in GIA's Bangkok and Hong Kong Laboratories
Minerals, Free Full-Text
B. L'émeraude des marbres illustrée par une pargasite d'Hunza (Photo
What is Gemstone Enhancement?
Angular color zoning with rounded looking 'angles'; viewed immersed in
Sudarat SAESEAW, Senior Manager Coloredstone Identification, MAster degree of Analytical Chemistry, G.G., FGA, Gemological Institute of America, Carlsbad, Colored stones Identification
