ORIGINATING FROM MILLERS VEIN, CASTLETON, BLUE JOHN IS A VERY RARE FROM OF FLUORITE THAT IS ONLY FOUND IN THE HILLS AROUND THE VILLAGE OF CASTLETON, DERBYSHIRE, ENGLAND.
SPECIMEN FEATURES CALCITE CRYSTAL FORMATIONS.
SIZE = 75MM x 44MM x 34MM APROx.
WEIGHT = 125g.
