Today, only by combining different gemmological tests with years of practical experience, can a conclusive determination of the origin of a sapphire be made.
Read MoreResearchers from the Tairus joint venture have developed the technology for the hydrothermal growth of gem-quality crystals of synthetic sapphire.
Read MoreThe author examines the gemmological properties of Chatham flux-grown synthetic orange sapphires and blue sapphires.
Read MoreThis article describes the first application of laser-induced breakdown spectroscopy (LIBS) to gemmology.
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