Some of the world's most beautiful common opal is produced in Peru. Common opal lacks a "play of color" but it can be cut into colorful cabochons. Peruvian opal provides an excellent example.
The blue and pink stone in the photographs at right were cut from rough material mined in Peru. The blue stone is a teardrop-shaped cabochon that is about 13 millimeters by 8 millimeters and weighs 2.3 carats. The pink beads show a range of color and are about 4 millimeters in diameter.
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Rose Quartz is the name used for specimens of translucent quartz with a pink color.