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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 .... Fancy sapphires are often found in yellow, orange, green, brown, purple and violet hues. ..... Thin sapphire wafers were the first successful use of an insulating substrate upon which to deposit silicon to make the integrated circuits ...

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.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.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.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.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.australiansapphire.com/history.htm

One of the first reports is from 1851 when sapphire was recovered during gold ... of New South Wales and in 1875 Sapphire was discovered in Retreat Creek, ...

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.

www.langantiques.com/university/Sapphire

Traders from the east returned with first hand stories of far away countries with ... New sapphire deposits in Australia, the USA, and India were discovered and ...