Flagstone, or what is sometimes referred to as simply “flag” isjust a flat stone, which is mostly used to pave walkways, fences,roofing, and patios. In some instances, it is used to make aheadstone, memorial, or other construction feature. The name comesfrom the Middle English word, flagge, which simply refers toturf.Flagstone is a layered and split sedimentary rock that is oftenplaced along planes of bedding, and often flagstone resemblessandstone, which is typically made up of quartz and feldspar,typically the size of a grain. Basically, the major material thatattaches to flagstone is made of calcite, iron oxide, and silica.The color of the material mostly comes from the cementingmaterials, but this can often vary from case to case. In mostcases, the colors are blue and red, although the