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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  ...

www.leaf.tv/articles/what-are-rubies-used-for-today

Rubies are gemstones that are known for their red color and hexagonal shape. Large rubies are often more expensive than diamonds because naturally ...

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 47 ... 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.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.

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 ...

meanings.crystalsandjewelry.com/ruby

Sep 8, 2017 ... It is said to help find or stabilize work and finances, as well as bringing general prosperity. Ruby also is used to increase generosity.

geology.com/gemstones/ruby-and-sapphire

Rubies: The most desired variety of corundum is the ruby. The red ... The name " sapphire" is used for corundums that range from light blue to dark blue in color.