There are different types of sandstone, each with its own special features! One type is
quartz sandstone, made mostly of quartz grains. πͺ¨
Another type is arkose, which contains a lot of feldspar, another mineral. Thereβs also greywacke, which is a mix of different materials, often including clay. These types of sandstone can change in color and texture. For example, red sandstone gets its color from iron oxide, while white sandstone is mostly made of pure quartz. π
Each type of sandstone can tell scientists something special about how it formed!