Synthetic Sapphire as an Industrial Material
August 30, 2013 | Gemological Institute of America
Did you know that the barcode scanner used in many grocery store checkout lanes has a window made of synthetic sapphire? That is one of many applications of synthetic sapphire as an industrial material.
Related: Corundum - The mineral of rubies and sapphires.
Sapphire Mining in Madagascar
September 23, 2013 | Gemological Institute of America
The Gemological Institute of America has an article about mining sapphires from the Ilakaka-Sakaraha deposit - the world’s largest sapphire producer.
Related: Corundum - The Mineral of Sapphire and Ruby
Gemstones and Plate Tectonics
June 18, 2013 | Geology
A recent article in Geology explains how the global distributions of jadeite and ruby are strongly associated with certain types of plate boundaries.