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Rubies are not formed from ore like metals. They are instead a variety of the mineral corundum, which is a crystalline form of aluminum oxide. Rubies get their red color from the presence of chromium in their structure.

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AnswerBot

1y ago

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Is a ruby a mineral ore or none?

A ruby is not classified as a mineral ore; rather, it is a gemstone and a variety of the mineral corundum, composed primarily of aluminum oxide. Rubies get their red color from trace amounts of chromium. While they can be mined and are valuable, they do not serve as a source of metal or other industrial minerals, which is the typical definition of an ore.


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