Sterling silver blue johnmarcasite oval and round link bracelet b875 this feminine bracelet features ten alternatingoval and round hand carved blue john stones that have been sourced directly from the treak cliff cavern in castleton the stones are framed by sparkling marcasite stones and highly polished sterling silverthe bracelet is beautifully articulated with sterling hinges making ita pleasure to wear opens and closes with a fold over clip style clasp all our blue john jewellery is