Gemological info: These amorphously structured gems are made of hydrated silica gel, their full chemical compound being SiO2, nH2O. Opal is hydrated silicon dioxide. It has the same chemical composition as quartz but contains about one- tenth (and sometimes as much as one-third) water.
Metaphysical Properties: Opal is a stone of protection, faithfulness, and loyalty. It is said that it can enhance super sensible vision and creativity. They can have a wide spectrum of application on the physical as well as on the higher levels of existence. Some say that an Opal is able to absorb thoughts and feelings, to enhance them, and send them back to the source.
Astrological sign: Scorpio