Zambia is considered the world’s second most important source of emeralds by value (after Colombia).
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This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
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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 comprehensive review of the history and geology of Colombian emeralds together with descriptions of some of the most famous gems to come from this locality.
Read MoreMananjary emeralds usually can be separated from emeralds from other localities by means of associations of certain mineral inclusions.
Read MoreIn 1988, a significant find of emeralds was made at Capoeirana, near Nova Era, in the state of Minas Gerais, Brazil.
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Brazil has become a leading producer of emeralds; this article examines one of the most significant deposits.
Read MoreZimbabwe’s Sandawana mines have been an important producer of emeralds for 40 years.
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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 MoreThis article focuses on Colombian emeralds and gives a detailed explanation of the oiling process as observed by the author.
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