What Are Rubies Made of?

Answer

Rubies are made of Corundum. They are one of the most valuable gemstones in the world. Rubies are used primarily for ornamental jewellery and are made from aluminium, iron, chromium and titanium.
Q&A Related to "What Are Rubies Made of"
Wearing a ring of crystalline aluminum oxide with chromium impurities doesn't sound very alluring, but it defines a ruby precisely. Chromium ions replace some of the aluminum ions
http://www.ehow.com/info_8139780_rubies-made-out.h...
I don't think rubies were made, they're a mineral in the ground.
http://wiki.answers.com/Q/When_were_rubies_made
1. Ruby based apps requires less development time as compared to more traditional scripts like PHP. 2. Ruby is considered hip. Embed Quote
http://www.quora.com/Crowdfunding/Why-so-many-crow...
Background Diamonds, rubies, sapphires, and emeralds are known as precious gems. Next to the diamond, the ruby is the hardest gemstone; it is also resistant to acids and other harmful
http://www.answers.com/topic/synthetic-ruby
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