Opal is adapted from the Latin word Opalus. Opal absorbs and reflects light and therefore able to pick up thoughts and feelings and amplify them and returning them back to the source.
Opal promotes calm and security, easing stress and depression. It encourages one to shift their negative thoughts into positive ones. It can also be a stone of protection shielding away negative negatives.
Pink Opal is a powerful crystal for emotional healing; and healing matters of the heart.