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en.wikipedia.org/wiki/Ruby

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium .... Rods of synthetic ruby are used to make ruby lasers and masers. The first working laser was made by Theodore H. Maiman in 1960. Maiman used  ...

smallbusiness.chron.com/different-uses-rubies-13484.html

Furthermore, nobles used rubies in their jewelry because they believed the gems would protect them and keep them healthy. Rubies still are some of the most ...

www.crystalvaults.com/crystal-encyclopedia/ruby

Items 1 - 12 of 55 ... It increases desire and sexual energy, and may be used to activate the kundalini. Ruby has always been associated with love, especially ...

www.minerals.net/gemstone/ruby_gemstone.aspx

A unique gemstone form composed of opaque red Ruby in contrasting green Zoisite is well known from Tanzania, and is used as a minor gemstone and can be ...

www.jewelsforme.com/ruby-meaning

They used to divide rubies into castes, much like social classes. Rubies were sorted into upper class, middle class, and lower class in terms of flawlessness and ...

www.bellevuerarecoins.com/rubies-long-history-variety

Jul 11, 2016 ... More recently, the Ruby is used by scientists in laser technology as their ability to focus light leads to a higher intensity than most other stones.

meanings.crystalsandjewelry.com/ruby

Home; Ruby Stones: Meanings, Properties and Powers ... Prior to that, “ruby” referred to any red stone, and was used interchangeably with the word “garnet” to  ...

geology.com/minerals/corundum.shtml

Corundum is used as a gemstone, abrasive, refractory and much more. Red corundum is a ruby, blue is a sapphire, any other color is a fancy sapphire. Synthetic ...

www.quora.com/What-is-the-Ruby-language-and-in-which-field-is-it-used

You can google about Ruby origin, so this is not a question for Quora. But the interesting thing is the field it is used in. In the agency I work in we used Ruby in ...