Use "pyramidion" in a sentence

1. A rare pyramidion, or capstone, for the Red Pyramid has been uncovered and reconstructed, and is now on display at Dahshur.

2. Khendjer is known primarily from his pyramid complex excavated by G. Jequier at Saqqara which was perhaps completed as a pyramidion was found.

3. Once it had been 481 ft (147 m) high, but the pyramidion and the limestone casing are completely lost due to stone robbery.