Blue color zoning observed in some of the unusual rubies; immersed
Download scientific diagram | Blue color zoning observed in some of the unusual rubies; immersed in methylene iodide. Photo by S. Saeseaw © GIA. from publication: Challenging Synthetic Rubies Examined in GIA's Bangkok and Hong Kong Laboratories | Forty faceted rubies which were submitted to the GIA Bangkok and Hong Kong laboratories were examined. The stones ranged from 1.20 to 4.48 carats. Standard gemological testing was carried out using the OPL hand held spectroscope to establish that the material was ruby. | Ruby, Fluorescence and Color | ResearchGate, the professional network for scientists.
Corundum, Rubies, Sapphire- Varieties,Formation,Sources,Properties
Factors in Colored Stones that Interact to Affect Value
Cobalt-Doped Glass-Filled Sapphire • Gem Treatment
PDF) Challenging Synthetic Rubies Examined in GIA's Bangkok and Hong Kong Laboratories
Blue Sapphire Treatment Guide - Natural, Heated, Diffused Sapphire
Ruby and sapphires ::: Gemology
Ren LU Research profile
Cobalt-Doped Glass-Filled Sapphire • Gem Treatment
Geology and mineralogy of sapphire-rich metasomatites (sapphirites
Ren LU Research profile
Blue Sapphire Treatment Guide - Natural, Heated, Diffused Sapphire
Jonathan Muyal's research works
