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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 blue in color, but natural "fancy" sapphires ...

www.gemmountainmt.com

Introduction to Gem Mountain Sapphire Mine Montana | Montana Sapphires Philipsburg Montana.

www.gemmountainmt.com/sapphire-mine

The Gem Mountain Sapphire Mine is one of the largest, oldest, and best Sapphire Mines in the World. You could call it the "Quiet Giant" of sapphire mines  ...

www.thenaturalsapphirecompany.com/education/sapphire-mining

See where and how sapphires are mined, understand the process from mine to gemstone and find out where sapphires come from.

.ask.com/youtube?q=Sapphire+Mining&v=D4Vts_mxgvg
Aug 18, 2010 ... This is a short video from our 2010 trip to our sapphire claims outside of Philipsburg Montana. The video shows our entire operation, how we ...

www.masonsmine.com

masons ruby and sapphire mine homepage.

www.gia.edu/gia-news-research/montana-gem-mountain-sapphire-mine

Jun 3, 2016 ... A Gem Mountain customer presents a brooch mounted with unheated natural sapphire from Rock Creek. The stones, all found by this customer ...

www.gemselect.com/other-info/australian-sapphire.php

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 ...

www.sapphirerings.org/how-sapphires-are-mined

Today there are 3 main ways in which sapphires are mined, open mines or shallow pit mines which you will find in countries like Sri Lanka and Madagascar,  ...

gemhunters.com.au/information/about-sapphires/mining-for-sapphires

Mining for sapphires is not an easy job. Lou will explain the several process you need to go through before finding that special stone.