This spectacular necklace and earring are Tiger Eye Stone with sterling closure and hooks. (tested but not marked). Tiger Eye is a golden brown chatoyant stone used or ornament--consisting essentially of quartz colored by iron oxide. It is a hard mineral and make a wonderful necklace and earrings. tiger eye necklace is 17 1/2 inches long and the discs are jusy under 1/4 strung through and 2/4 just under wide. The earrings are balls 8mm. The beads are flat yet rounded. A golden brown with streak of color or darker gold. Beautiful and stylish! From the 80's, Just the thing for the Natural Stone style! From the High Plains of Kansas!