Pyrite, Brass Rings, Multicoloured Glass Beads, Silk Cord, Designer Tag, Puka Shell Button Fastening, Comes In A Pouch, Shell: Philippines, Made In Japan. Strung with polished beads of pyrite, more commonly known as fool's gold, this Mikia bracelet is a way to incorporate the brand's travel-inspired designs into office or evening looks. Refined without losing any of its rustic appeal, it's finished with brass rings and a puka shell fastening, one of founder Ms Aki Mitsubayashi's hallmarks.