Materials: 14K gold plated on brass
Materials: 14K gold plated on brass, lab created opal
Gold plated process normally uses brass, copper, nickel or silver as a base.Then, a super thin layer of gold is applied with electrolytes on that base.
Lab created opals are man-made opals that have the same chemical composition, internal structure, physical properties, and appearance as natural opals. They are often called lab-created opals, lab-grown opals, or cultured opals to indicate their man-made origin.