A Brief About Opal: History, Properties, Cleansing, and Its Worth

Opal is one of the semi-precious gemstones attracting many people due to its gorgeous and unique beauty. The phrase ‘play-of-color’ is related to this stone because of its visible splendor, making the gem flare different tints and designs when moved or when reacted with light.

Source: https://www.technootech.com/opal-history-properties-cleansing-its-worth/