Great contrast of Material the white onyx works well with the Rare Blue John applied boarder.

Frame H 7 1/2” W 5 1/2”

Blue John is a rare, semi-precious variety of fluorite with striking bands of blue, purple, yellow, and white. It is prized for its unique coloration and is found almost exclusively in the Blue John Cavern and Treak Cliff Cavern in the Peak District of Derbyshire, England.