Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.
Read More
A report on the chemical and mineralogical analysis of samples’ solid inclusions.
Read MoreZambia is considered the world’s second most important source of emeralds by value (after Colombia).
Read MoreZimbabwe’s Sandawana mines have been an important producer of emeralds for 40 years.
Read More
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.
Read More
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 MoreThe Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.
Read MoreThe properties and techniques of flux-grown synthetic emeralds from Russia are discussed.
Read More
