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 MoreAn examination of the gemmological properties of a French flux fusion-grown synthetic emerald.
Read MoreThe higher the chromium content in synthetic emerald overgrowth, the darker the coating and appearance of the stone will be.
Read MoreThis article reports on three gem materials currently being mined in Pakistan.
Read MoreOne of the greatest concerns with emerald filling is the degree of clarity enhancement such treatment represents
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