In the United States, Montana has been a source of fancy sapphires for over 100 years. Minor amounts have been produced in numerous other countries. Sri Lanka, India, Myanmar, Thailand, and Australia have historically been important sources of fancy sapphire. When it is red, it is known as " ruby," when blue it is known as " sapphire," and when colorless it is known as "white sapphire." All other colors of gem-quality corundum are "fancy sapphire." Table of Contents The mineral known as corundum occurs in an infinite number of colors. A fancy sapphire is a gem-quality corundum that is any color other than red, blue, or colorless.
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