The pendant is genuine earth mined . The pendant are made of solid sterling silver. This item is brand new. Opal is a stone of inspiration which enhances the imagination and creativity as well. It helps one release inhibitions and enhances the memory. Blue Opal Healing Properties: Emotional soother that helps to realign one to their spiritual purpose. It is useful when past life experiences are affecting the present life, these can be healed through the ethereal blueprint.