Blue john and white mother of pearl chunky cross silver necklace p1162crthis unmissable necklace boasts a magnificent combination of mosaic shaped pieces of white mother of pearl and rare blue john stone that has been sourced directly from treak cliff cavern in castleton the beautiful contrast of the coloured stones set within the sterling silver cross design creates an eye catching look the pendant sits gracefully on a sterling silver chain and is completed by a classic bolt ring clasp for