Sterling Silver Multi Strand American Gemstone Necklace Genuine Brown Feldspar, Turquoise, Calcite, Chalcedony, Peridot, and .925 Sterling Silver Triple strand necklace is adjustable 20" to 24" long See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry This necklace does the impossible: it maintains a neutral feel while positively bursting with color!