Emeralds are again being mined in the historic district of the Ural Mountains. Physical, chemical, spectroscopic and microscopic characteristics of stones from the recent production are presented and compared with data on older samples as well as those reported in the literature.
Read MoreA new synthetic emerald exhibits some characteristics that are distinctly different from other synthetic emeralds, such as gold inclusions.
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Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.
Read MoreAn examination of the gemmological properties of a French flux fusion-grown synthetic emerald.
Read MoreThis article reports on three gem materials currently being mined in Pakistan.
Read MoreThe technique is nondestructive and, with Fourier transform instrumentation, extremely rapid in comparison to most laboratory methods.
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With the withdrawal of Soviet troops from Afghanistan, villagers in the Panjshir Valley are turning their attention to the emerald riches of the nearby Hindu Kush Mountains.
Read MoreA report on Zambian emeralds with tourmaline inclusions.
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