Boulder Opal Silver Rings

Etymology and history The name of boulder opal is from the Greek word ‘Opallos meaning to see of changing colors. Australian boulder opal is unique and the different varieties give a spectacular choice of rainbow colors, shape and size. In the middle Ages, opal was considered a stone that could provide great luck because it was believed to possess all the virtues of each gemstone whose color was represented in the color spectrum of the opal. Boulder Opal description Australian opals are of different varieties such as black, white, boulder, crystal and the common opal. The most expensive and prized variety are black opals. They contain streaks of fire on a dark body color. The white opal is opaque meaning that the opal... more about boulder opal » | more about stones used in our jewelry »