APPROX 2.00CT MM VARIES OVAL OPAL

Approx 2.00ct mm varies oval cabochon australian opal. opal is a unique gemstone with a beautiful play-of-color display. it can exhibit a full range of hues from the color wheel set against a light or dark background. on mohs' scale of hardness opal is 5.5-6.5. primary sources include australia brazil guatemala honduras indonesia japan mexico russia nevada and idaho.