<P> A pyramidion ( plural pyramidia ) is the uppermost piece or capstone of an Egyptian pyramid or obelisk , in archaeological parlance . They were called benbenet in the Ancient Egyptian language , which associated the pyramid as a whole with the sacred benben stone . During Egypt 's Old Kingdom , pyramidia were generally made of diorite , granite , or fine limestone , which were then covered in gold or electrum ; during the Middle Kingdom and through the end of the pyramid - building era , they were built from granite . A pyramidion was `` covered in gold leaf to reflect the rays of the sun '' ; during Egypt 's Middle Kingdom , they were often `` inscribed with royal titles and religious symbols . '' </P>
<P> A pyramidion ( plural pyramidia ) is the uppermost piece or capstone of an Egyptian pyramid or obelisk , in archaeological parlance . They were called benbenet in the Ancient Egyptian language , which associated the pyramid as a whole with the sacred benben stone . During Egypt 's Old Kingdom , pyramidia were generally made of diorite , granite , or fine limestone , which were then covered in gold or electrum ; during the Middle Kingdom and through the end of the pyramid - building era , they were built from granite . A pyramidion was `` covered in gold leaf to reflect the rays of the sun '' ; during Egypt 's Middle Kingdom , they were often `` inscribed with royal titles and religious symbols . '' </P>
what is the top of a pyramid called
what is the top of a pyramid called
pyramidion
pyramidion