What color is the wind fossil?

Red. Aeolian fossils are composed of various gravels with mixed colors and vertical and horizontal grooves. Red eolian fossils are colorful and rich in iron oxide, and red is good. Wind fossil, also known as turtle stone. Weatherstone is a kind of stone formed by years of wind and rain. Its main component is silicon dioxide, and it also contains some elements such as iron, manganese, zinc and calcium.