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en.wikipedia.org/wiki/Sapphire

Sapphire is a gemstone, a variety of the mineral corundum, an aluminium oxide It is typically ... Significant sapphire deposits are found in Eastern Australia, Thailand, Sri Lanka, China (Shandong), ..... Thin sapphire wafers were the first successful use of an insulating substrate upon which to deposit silicon to make the ...

minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/sapphires.html

Dec 30, 2016 ... The production of gem-quality sapphires in the United States is not new or recent. In 1865, the first U.S. sapphires were found in the gravels of ...

gemgallery.com/montana-sapphire-history

Fancy colored Montana Sapphires, heat-treated. Sapphires were first found in Montana in 1865 by early gold prospectors mining the Missouri river near Helena .

www.gemselect.com/gem-info/sapphire/sapphire-info.php

Dec 23, 2006 ... Sapphire is found in only a few locations in the world. ... The rare, fine blue sapphires of Pailin, Cambodia were also very highly regarded .... It was first sold by Sotheby's in 1988 for $2.82 million and then sold by Christie's in ...

www.birthdaygems.org/history-of-birthstones/history-of-sapphires.htm

The Sapphire is one of the earliest gems known to man, Sapphires are found in ... "There was under his feet as it were a paved work of a sapphire stone, and as ...

www.newworldencyclopedia.org/entry/Sapphire

Aug 19, 2015 ... A sapphire (from the Latin sapphirus and Greek sappheiros, .... Blue sapphires were first discovered in the Padar region of Kashmir in the ...

www.minerals.net/gemstone/sapphire_gemstone.aspx

Going way back in time, Sapphires (excluding blue) were often called the same name as a popular ... Sapphire was first synthesized in 1902. ... Padparadschah - Orange-pink variety of Sapphire that is found in Sri Lanka; highly regarded and ...

www.palagems.com/kashmir-sapphire

Enquiries were then made, which resulted in the discovery of the spot where the .... laid bare by a landslip, and at first the sapphires were taken out of the granite ...

www.ruby-sapphire.com/r-s-bk-india.htm

Mar 7, 2013 ... T.D. La Touche is dispatched to the mines to undertake the first .... Exactly when sapphires were first discovered in Kashmir is unknown.

www.gia.edu/gia-news-research-Sapphire-Series-Introduction-to-Sapphire-and-Synthetic-Sapphire

Jul 16, 2013 ... The first in the series, ... Sapphire and ruby are found all over the world, with notable sources in Africa, Asia, Australia, North America, and Europe. ... Early synthetic sapphires and rubies were used for gems and watch jewels.