[W]e discover that for Cheops, for the builder of the most impressive monument of antiquity, its actual name is Knum Kufu: may the god Khnum protect … - Joseph Davidovits

had his temple at dug out, in the body of Amun, in the hill of sandstone, and we understand that the temples in Thebes, in , in were made of carved stone... cut very carefully in the body of Amum, and we understand why the s out of granite have been called "the finger of Amun."

I am a research scientist specializing in low-temperature mineral synthesis. In 1972 I founded the private research company CORDI (Coordination and Development of Innovation), and, in 1979, the Geopolymer Institute, both in France. At the Geopolymer Institute a new branch of chemistry that I named ization. I currently have more than twenty-five international patents for geopolymeric products and processes. My products are made... by large manufacturers. The products have many diverse applications.

There is no way of distinguishing a synthetic zeolite from a natural one.