Rhyolite

The rocks you commonly see in the Mountain of Eternal Winter are Rhyolite. They are more brightly colored than other rocks. Often they are gray, grayish green, or grayish red. These rocks are evidence that the Mountain of Eternal Winter was a volcano in the past. According to the ancient chronicles, the volcano ashes spread over Drieghan and the sky became gray. Found In: Mountain of Eternal Winter