Kyanite in Quartz Cabochon

We aren't sure of the source of this material.  It is flecks of kyanite in a white quartz with some smoky quartz crystals.

The cabochon measures 34 x 21 x 7.3 mm.  It has a girdle height approx. 3.2 mm and is sloped at 5 degrees for ease in setting.  The back is also polished.

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