Opal is also celebrated as an October birthstone among its healers and is the luckiest gemstone for those born under the zodiac sign of Libra. You can find the stunning crystal in pink, black, yellow, and white colors. Ethiopia and Australia are the large producers of the best quality opals. The crystal is used to create mesmerizing Opal Jewelry pieces in different types of metals like sterling silver, rose gold, and yellow gold. So, You can check out the various types of Gemstone jewelry at Rananjay Exports.