925 Silver Hallmarked Handmade Grade A Owhyee Opal and Rainbow Moonstone. Owyhee Blue Opal Meaning Properties and Powers Owyhee opal is believed to have healing properties that support emotional and spiritual well-being by promoting peace, communication, and confidence. It is said to resonate with the Throat Chakra, aiding in self-expression and clear communication, and helps connect to inner wisdom and higher realms. The stone's calming energy can reduce stress and anxiety, and it is also considered a protective gem for spiritual journeys.