The Insomnia DuoThe Insomnia Duo Consists of: Blue Moonstone 10mm Blue Moonstones are found in Sri Lanka an island nation in the Indian Ocean, specifically southwest of the Bay of Bengal and southeast of the Arabian Sea. The rarest and most expensive moonstone in the world is Blue Moonstone and has a floating blue color that hovers above the stone. Blue moonstone is soothing and helps promote tranquility, harmony, and good sleep. Pegmatite 8mm Light and dark blue