[T]he pyramid blocks are not natural stone; the blocks are actually exceptionally high-quality concrete—synthetic stone—cast directly in place. The b… - Joseph Davidovits

Egyptology has never found any text proving that the pyramids were built with carving stones that were hoisted on sledges and ramps. ...[T]hey say there is no text because it is a sacred system that should not be revealed ...We are ...dealing with ...texts that are describing technological information...

reacts with lime and water to produce caustic soda, the main ingredient for alchemically making stone. An abundance of lime would have been available by calcining in simple hearths.

Temperatures can be raised with energy released during exothermic... reactions. Copper and are commonly located in close proximity... A mixture of ... ...and ... ...heated to only to 700 °C ...automatically reaches a temperature, through a heat producing chemical reaction, that is close to that for extracting copper. The addition of a flux, which in Egypt was a native salt called (), lowered the fusion point sufficiently for copper extraction. Silver can be smelted similarly.