Sandstone is a sedimentary rock composed mainly of sand-sized minerals. Most sandstone is composed of quartz and feldspar which are the most common minerals in the Earth's crust. Sandstone forms in a wide variety of colours.
Black Sandstone

Yellow Sandstone

Yellow Wooden Sandstone

Green Sandstone

Red Sandstone

Purple Sandstone

Purple Wooden Sandstone

White Sandstone

Grey Sandstone
