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Sapphire - Wikipedia

en.wikipedia.org/wiki/Sapphire

Sapphire is a gemstone variety of the mineral corundum, an aluminium oxide It is typically blue ... Every sapphire mine produces a wide range of quality - and origin is not a guarantee of quality. ....

Gemstone Education: Learn All About Sapphires, Emeralds, Rubies ...

www.israel-diamonds.com/Education/Gemstone/

Where do sapphires come from? How did they get their name? What colors are ... Everything will become clear when you read all about gemstone clarity.

How sapphires are formed - Extreme Science

www.extremescience.com/sapphires.htm

Gifts from the Earth: Where Do Gemstones Come From? ... sapphires This is not a mineral you often hear about, but it is the second hardest natural mineral ...

Sapphire Gemstone & Jewelry Information, Blue & Fancy Sapphire ...

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

Dec 23, 2006 ... Sapphire lacks cleavage, but can exhibit a conchoidal, uneven fracture. ... The exact crystal form depends on the specific variety and origin.

Ethical Ceylon Sapphires | Brilliant Earth

www.brilliantearth.com/ethical-sapphires/

All of our sapphire rings and other fine jewelry pieces come with a guarantee of their ethical origin in accordance with fair trade principles. We partner with mines  ...

Sapphire: The gemstone Sapphire information and pictures

www.minerals.net/gemstone/sapphire_gemstone.aspx

Sapphire is the most precious and valuable blue gemstone. It is a very desirable ... Only experts can distinguish between natural and synthetic Sapphire.

Ruby and Sapphire - Identifying Origin - International Gem Society

www.gemsociety.org/article/ruby-sapphire-identifying-origin-understanding-value-rarity-gem-corundum/

Corundum originates in metamorphic marbles that have largely weathered away. This is the .... You can see inclusions of crystal sulfide inside this sapphire.

Origins of the Sapphire / RDA Gems

rdagems.com/origins-of-the-sapphire

Opinions differ on the source of the name of the sapphire stone. ... Sapphires are considered by many to have medicinal attributes, from ... Geographical Origin ...

History of Sapphires, Emeralds, and Rubies - Topazery

www.topazery.com/gemstone-history.htm

Regardless of the country of origin, sapphires have been a favorite gemstone ... 600 C.E. Burmese warriors believed the gemstones would make them invincible.

September Birthstone: Where Do Sapphires Come From? - GIA

4cs.gia.edu/en-us/blog/september-birthstone-where-sapphire-come-from/

Sep 1, 2016 ... Love sapphire? It's the September birthstone, and we'll tell you where it comes from – plus, some more intriguing info!