👉 Aporhyolites are a group of minerals that form in the Earth's crust. They have a characteristic appearance and can be found in various parts of the world, including Australia, Africa, and South America. Aporhyolites are composed mainly of aluminum oxide (Al2O3) and iron oxides (Fe2O3 or Fe3O4). The mineral is typically green or yellowish brown in color, with a distinctive crystal structure. It is often found in the
