Boulder opal doublets are fashioned using ironstone (the natural host rock of boulder opals) on the back, and a solid, bright, natural Australian opal on the surface. Each stone’s unique color and shape is fashioned into one of a kind jewelry.
To clean boulder opal doublets, use a damp soft cloth. Never use jewelry cleaners, steamers, or ultrasonic cleaners. Bathing, showering, or swimming while wearing boulder opal doublet jewelry is not recommended.