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The ruby is steeped in history. Ruby is July's birthstone and is named the King of Gems. Its history is recorded as far back as the Bible and ancient Sanskrit writings. The name ruby is derived from the Latin word for red – rubrum.
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www.jewelry-paideia.com/reference/ref-gemstone-ruby-1.p...
www.jewelry-paideia.com/reference/ref-gemstone-ruby-1.php
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Ruby - Wikipedia, the free encyclopedia
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A ruby is a pink to blood-red gemstone, a variety of the mineral corundum (aluminium oxide). The red color is caused mainly by the presence of the element chromium. Its name comes from ruber , Lat...
en.wikipedia.org/wiki/Ruby
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Only recent technology has enabled us to definitively distinguish ruby from its colorful "twins." Throughout history, other red gems such as spinel and garnet were mistaken for ruby. In fact, most large historical red stones (several hundred carats) are spinels.
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www.saudiebay.com/jic/rubies-history.htm
www.saudiebay.com/jic/rubies-history.htm
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Ruby is known as the stone of love. It is worn in all types of jewelry. ... Ruby Jewelry ... Ruby is a corundum that may be any color of red depending on the chromium and iron content of the stone. Ruby has a hardness rating of 9.
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www.jewelrymall.com/stones/ruby.html
www.jewelrymall.com/stones/ruby.html
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The word ruby is derived from the Latin word "rubeus". Some of the most famous “ruby” gems that adorn crown jewels of famous royalty are actually spinels-not rubies! The history of ruby dates back to the seventh century BC. Marco Polo mentions it in his travels.
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www.africagems.com/learnruby.html
www.africagems.com/learnruby.html
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RUBY & SAPPHIRE - finest book published on the corundum gems, with info on prices, quality analysis, sources, history, & treatments. ... Other Selections: « History of Ruby and Sapphire Treatments; « A Sample Sidebar; « Appendix B: Ruby & Sapphire Price Tables...
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www.ruby-sapphire.com/r-s-book.htm
www.ruby-sapphire.com/r-s-book.htm
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History of the high temperature heat treatment of sapphire and ruby, including the geuda from Sri Lanka ... A Brief History of Heat: Heat treatment of ruby & sapphire ... heat treatment, blue sapphire, australian sapphire, ruby, sapphire, gem treatment, gems, geuda...
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www.ruby-sapphire.com/brief-history-heat.htm
www.ruby-sapphire.com/brief-history-heat.htm
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Throughout most of recorded history, ruby has been the world's most valued gemstone. Even diamond was considered common in comparison to the supreme beauty and value of this glowing red gem. ... Granted, the value of fine ruby relative to other highly prized gems wasn't as extreme in Bauer's day as it had once been.
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www.addmorecolortoyourlife.com/gemstones/ruby.asp
www.addmorecolortoyourlife.com/gemstones/ruby.asp
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The birthstone for July, Ruby has been the world's most valued gemstone for thousands of years. Ruby was said to be the most precious of the twelve stones God created when he created all things and this "lord of gems" was placed on Aaron's neck by God's command. ... The ruby mines of Myanmar are older than history:
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www.jewellers.net/ruby.htm
www.jewellers.net/ruby.htm
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