Ok so I look it up they used it for tombs and also I found more facts on it The shape of Egyptian pyramids is thought to represent the primordial mound<span> from which the Egyptians believed the earth was created. The shape of a pyramid is thought to be representative of the descending rays of the sun, and most pyramids were faced with polished, highly reflective white limestone, in order to give them a brilliant appearance when viewed from a distance. Pyramids were often also named in ways that referred to solar luminescence. For example, the formal name of the </span>Bent Pyramid<span> at </span>Dahshur The Southern Shining Pyramid<span>, and that of Senwosret at el-Lahun was </span>Senwosret is Shining<span>.</span>