Jennifer Reeves Designs is proud to bring you the magnificence of Boulder Opal jewelry. Boulder Opals are among the most admired and most valuable of Australian Opals. Like a prismatic storm captured inside a stone, the Boulder Opal develops as narrow veins of Opal form inside the fissures of ironstone boulders underground. This expressive gemstone possesses a range of symbolism with enough depth to adorn even the most enigmatic wearer.