Beautiful one of a kind Peruvian Blue Opal cabochon. This Peruvian Blue Opal teardrop cabochon measures 34 x 24mm. Opals are said to stimulate creativity and helps ideas flow more freely. They also help us face the future. If you are looking to improve your psychic ability, it will do that too. Have any old wounds? Well, Peruvian Opal is also known to release the trauma of old wounds. And, to top it off, this stone also aids restful sleep.