Collana esagono a fetta piatta in onice nero in argento sterling placcato oroAbout This Item A contemporary chain necklace with hexagon shaped links and a focal flat sliced black onyx gemstone lined with beaded detailing in yellow gold plated sterling silver. Gemstone Information Be seduced by the dark beauty of black onyx. Often used in carved cameo jewellery, black onyx provides a beautiful contrast and a gothic edge to your jewellery collection. Jewellery Collection Gemondo's Slice Collection is a celebration of geometry