Mulberry bowl with a natural edge, inlaid with Blue John Fluorite.
Blue John (also known as Derbyshire Spar) is a semi-precious mineral, a form of fluorite with bands of a purple-blue or yellowish colour. In the UK it is found only at Blue John Cavern and Treak Cliff Cavern at Castleton in Derbyshire.
Dimensions: 120mm in diameter x 150mm in height
SOLD
Morrison W Thomas 