Olivier Ruby Zoisite CufflinksOnce called the Tanganyika art stone and beloved of the Zulu warriors, this stone is a unique pairing of ruby and zoisite crystals together in one stone. The red ruby crystals sit alongside black and green veins of the zoisite crystal to form a unique stone no two stones will ever be the same! These Ruby Zoisite cufflinks show the colours to perfection in a polished, oval cabochon surrounded by a simple silver setting. Simply set in sterling silver