Opal is a shining gemstone and comes with different colors and hues, such as black, red, yellow, orange and white combined together.
Since Roman times, opal has been a precious gemstone, and it was among the noble gems and was ranked second only to emerald by the Romans. Opal was considered as a symbol of confidence and faithfulness in ancient times. As a healing gemstone, opal can increase mental capacities, for example creative imagination.