About Stones: Boulder Opal


Astrological Sign: Scorpio
Chakra: Brow
Lore: Boulder opal enhances mental clarity, emotional security and physical well-being. Connecting us to the stars, it facilitates extra-terrestrial communication. 
Geology: Boulder opal or matrix opal is host rock containing opal-filled cavities. Opal is non-crystalline hydrous silicon dioxide. It has the same chemical composition as quartz but contains water and is not crystallized. the most highly prized varieties contain internal iridescence due to light diffraction.
Localities: Australia, Mexico