Blue Opal is a type of common opal, in that it has no play of colour. Owyhee Blue Opal is perhaps the most famous of the Blue Opals, along with Andean Blue Opal, although new discoveries of soft pastel blue opal have been recorded in Mexico in Durango.

Blue Opal has a soft, calming, and soothing energy that creates a peaceful atmosphere. This crystal opens communication channels, facilitating effective and harmonious interactions with others. It serves as a remedy for tension and stress, bringing relief to the mind and emotional body. Blue Opal helps individuals relax and switch off from the pressures of daily life, promoting a state of deep relaxation. It also supports restful sleep, aiding in achieving a peaceful and rejuvenating slumber.