Benitoite
rare blue barium titanium cyclosilicate From Wikipedia, the free encyclopedia
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Benitoite is a mineral containing barium and titanium. It has a similar appearance to sapphire but is much softer.
Benitoite is named for the San Benito River.[1] It is the official state gem of California.[2]
Benitoite was the first discovered example of the ditrigonal dipyramidal crystal class.[3]
Sources
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