Category Archives: Ruby

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Ruby Mines – A Guide to the Origin of Pigeon’s Blood Red Gemstone

Ruby Mines and Rubies are primarily composed of the mineral corundum or aluminum oxide. They are formed under extreme heat and pressure under the earth’s surface. The mineral corundum is made of dense oxygen and aluminum atoms packed inside it. Typically, the mineral is colorless, however, if the aluminum atoms are replaced by other substances,…