Collectors from around the world descended on Christie's Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on 19 June.
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Chronicles the famed emerald source through the adventures of Peter W. Rainier, who directed the mine from 1926 to 1931 and restored its former glory.
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For eight decades, Gems & Gemology, GIA’s peer-reviewed quarterly journal, has educated generations of readers and protected the gem-buying public. We share ten landmark articles that were particularly significant to gem and jewellery professionals.
Read MoreZambia is considered the world’s second most important source of emeralds by value (after Colombia).
Read MoreCriteria for distinguishing emerald filling substances were investigated.
Read MoreZimbabwe’s Sandawana mines have been an important producer of emeralds for 40 years.
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The emeralds of the Ural Mountains, in what is now called the Russian Federation, have been known for more than 160 years.
Read MoreMananjary emeralds usually can be separated from emeralds from other localities by means of associations of certain mineral inclusions.
Read MoreMore than 2,000 years ago, emerald deposits in upper Egypt were supplying gems throughout the Graeco-Roman Empire.
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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.
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