SHOP HERKIMER STUDS PreviousOVAL TURQUOISE CABOCHON STUDS - 14KY NextOVAL TURQUOISE CABOCHON STUDS - 14KR HERKIMER STUDS HERKIMER STUDS $110.00 Made from natural herkimer quartz crystals set in sterling silver. The crystals are about 1/4" wide and 3/18" long. Crystals may vary slightly in shape from the pair pictured. Add To Cart