Peruvian Opal Straight Drilled Faceted Oval beads measure approximately 12x11x8mm up to 14x11x8mm in size, have a translucent to opaque nature with a soft range of Caribbean Blues making this one of our favorite gemstones and sure to be one of yours. Opal derives its name from the Sanskrit word for stone. Peruvian Opal is classified as Common Opal meaning that it does not have the `play of color` rainbow-like flashes of color. Mined exclusively in the Ande Mountains, Peruvian Opal is highly prized for its beauty and wide assortment of blue and pink hues.