Marcell Fóti’s Natron Theory proposes that ancient cultures cast artificial geopolymer stone. Fóti argues that the technology was lost and rediscovered four or five times, with early megaliths representing early versions and Giza pyramid blocks a later, fourth version. His claim that pyramid blocks were cast rather than carved is a disputed hypothesis, not an established archaeological finding.
Marcell Fóti’s Natron Theory: ancient builders cast geopolymer stone

Key facts
- Marcell Fóti, not “Marcel Foti,” is the author and proponent of the Natron Theory.
- Fóti proposes that ancient cultures cast artificial geopolymer stone and argues that the technology was lost and rediscovered four or five times.
- Fóti’s sequence treats megalithic stones as early versions and Egyptian pyramid blocks as a later, fourth version.
- The claim that Egyptian pyramid blocks were cast rather than carved is Fóti’s hypothesis, not an established archaeological conclusion.
Sources
The Natron Theory: with the recipe of the impossible stone ...grahamhancock.com
Marcell's book examines the perplexing mystery of how the ancients could expertly navigate, manoeuvre, and position megalithic stones with remarkable precision.
The Natron Theory: With the recipe of the impossible stone ...amazon.co.uk
This book uncovers a groundbreaking discovery that finally resolves the perplexing questions surrounding ancient megalithic structures.
School History Books Are Wrong Or “A Better Way to Make ...tatiana-colligan.medium.com
A theory about etching stones, including granite, with Natron Salt, also called Soda Ash, also called Sodium Carbonate, also Na2CO3.
Has Marcell Foti Cracked the Megalithic Code? - MindMattersiheart.com
Foti, an IT professional turned independent researcher, proposes that ancient civilizations used a chemical process involving natron—a ...
The Natron Theory: With the recipe of the impossible stone ...goodreads.com
Kindle $19.99. Rate this book. The Natron Theory: With the recipe of the impossible stone blocks of the Great Pyramid of Giza. Marcell Fóti.
Marcell Foti | Natron Theory, Man-Made Melted Megaliths? ...imdb.com
Marcell Foti | Natron Theory, Man-Made Melted Megaliths? and The Secret of The 4 Elements Podcast Episode 2024 1h 56m. Release date May 31, 2024 (United ...
Marcell Fóti |atlantipedia.ie
Even more spectacular was the 1996 discovery of pyramids on the southern Atlantic coast of Brazil, dated as early as 3000 BC, predating the earliest Egyptian ...
Gathering 'concrete' evidencenews.mit.edu
... Egyptians used a synthetic material to build the Great Pyramids. "It could be they used less sweat and more smarts," Hobbs told The New York ...
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