👉 Rhyolitic rocks are a type of igneous rock that contain predominantly quartz and feldspar. These rocks are typically composed of lava or molten material, which then solidifies at high temperatures in an environment similar to that found on Earth's surface. The primary minerals within these rocks are quartz, feldspar, and pyroxene (a mineral composed primarily of iron oxides). Rhyolitic rocks can be divided into two main types based on their composition: rhyol
