Natron Chemical Theory Ineffective for Granite Excavation. Natron theory proposes molten natron reacts with granite to create water glass, then workers pound with dolerite balls Molten natron penetration into granite is minimal - strong acids penetrate only 1-3mm under favorable conditions Chemical reaction would leave visible color changes and sodium silicate (water glass) residue at the site
The natron chemical theory — molten natron softening granite for workers to pound with stone balls — doesn't hold up under scrutiny. Penetration depth would be only 1-3mm even with strong acids. No sodium silicate (water glass) residue exists at the site despite the theory requiring it. The massive charcoal requirements would be nearly impossible in a desert environment over 5,000 years. Experimental tests also failed to match real mark characteristics. The Unfinished Obelisk, Egypt
Key Facts
- Natron theory proposes molten natron reacts with granite to create water glass, then workers pound with dolerite balls
- Molten natron penetration into granite is minimal - strong acids penetrate only 1-3mm under favorable conditions
- Chemical reaction would leave visible color changes and sodium silicate (water glass) residue at the site
- No sodium silicate residue exists at Aswan quarry despite the claim
- Method would require enormous amounts of charcoal in a desert environment with scarce timber for 5,000 years
- Experimental natron marks do not resemble the real Aswan scoop marks in size, shape, or edge characteristics
Related site: The Unfinished Obelisk — view location, images, and history on the Ancient Nerds map.
Source: Scoop Marks on Unfinished Obelisk Explained: Waterjets, Natron or Thermal Torch? by Curious Being