Due to the hardness of the grains, the uniformity of the grains, and to some extent the nature of the crushing, sandstone is one of the excellent materials used to make sharpening knife, which is used to sharpen blades and other tools
Most sandstones are composed of quartz/feldspar because they are the most common type of minerals that exist in nature. Just like sand, sandstones can come in a variety of colors, the most common of which are tan, brown, yellow, red, gray, and white.
Because sandstones are often found on cliffs and other topographic structures, specific Sandstone colors are strongly recognizable by specific areas. For example, many parts of the North American West are known for their red sandstones. Although some sandstones are weather-resistant, they are easy to use.
This feature makes sandstone one of the materials used in construction and paving. Due to the hardness of the grains, the uniformity of the grains, and to some extent the nature of the crushing, sandstone is one of the excellent materials used to make sharpening knife, which is used to sharpen blades and other tools.