Finished this piece up last night, using an Australian opal doublet from Lightning Ridge, a 6mm round moonstone and a piece of nephrite jade from the coast of Big Sur, California. I drilled a hole through the jade and set a silver pin to attach it to the piece. Accepting STEEM for purchase. You can has it here too: https://www.etsy.com/listing/690103672/jade-opal-and-moonstone-pendant?ref=listings_manager_grid