Sapphire is a gemstone, a variety of the mineral corundum, an aluminium oxide It is typically blue in color, but natural "fancy" sapphires ...
Gem Mountain Sapphire Mine Montana | Montana Sapphires Philipsburg Montana.
Gem Mountain Montana Sapphire Mine | Hours of operation | Come hunt for your own Sapphires.
Gem Montain in Montana was first developed in the 1890's and has since produced more than 180 Million carats of Sapphires.
Education customers about sapphire and jewelry.
Jun 3, 2016 ... Join a GIA field team on an expedition to Gem Mountain, Montana, and witness the rarely seen sapphire heat treatment process and tourists ...
masons ruby and sapphire mine homepage.
May 9, 2008 ... A major source of sapphire is Queensland in Australia's northeast. In fact sapphire has been mined commercially for more than 100 years on ...
Cherokee Ruby & Sapphire Mine is the International Gem Society's Number 4 Pick ... The Yogo Gulch sapphire locality located in the State of Montana, the Gem ...