opal opal

Opal is comprised of tiny silica spheres, formed when silica-rich water seeps into deep cracks and voids in the Earth’s crust. prediksi opal togel It is separated into two groups, common opal (also known as potch) and precious opal (also known as noble opal) Opal can be found all over the world from Cornwall to Canada, Australia to Siberia, Ethiopia, Madagascar