The aquatic energies of opal would bring peace and tranquillity to Librans. Any negative energy or malevolent looks would be kept at bay if a Libra wore an Opal Engagment Ring. It is well known that Librans possess varying hues of dedication and affection. The sign of Libra is ruled by the venus which is the planet of prosperity, love and relationships. Being the stone of amplification, opal would enhance harmony, love, and balance in librans' lives.