◂ BACK TO GEM ENCYCLOPEDIA
Ruby
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.
See Gem As
Tools
Research
Mogok Expedition Series, Part 1: The Valley of Rubies
An expedition to the Mogok area of Myanmar documents the current state of their ruby mining, markets, and cutting industries. This exotic land, known as the
Rubies from the Montepuez Area
In October 2013, GIA’s Bangkok laboratory produced a study of the samples collected during the September 2012 expedition.
