👉 Rhyolites are a type of igneous rock that is composed primarily of silicate minerals such as calcium carbonate (CaCO3). They are often found in the Earth's crust and are responsible for the formation of the earth's crust. Rhyolite is characterized by its distinctive blue or green color, which results from the mineral's ability to absorb light and scatter it into different colors. Rhyolites are also known as "blue rocks" due to their distinctive blue or green