Claim: Ancient Egyptians Could Not Work Granite Without High-Tech Diamond Tools

Two will happily create a concave/convex pair.
As anybody who has ever ground their own telescope mirror will testify!

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How to make your own telescope, in 45,350 easy steps.
...
It's hard to believe, but Clyde Tombaugh really did make his own telescope essentially from scratch. In an effort to try to understand how this was actually done, I hunted down old reference guides that would make the process plain. These images are from 1001 Celestial Wonders, published in 1931.
mirror.jpg

Source: https://plutovian.wordpress.com/2010/07/21/how-to-make-your-own-telescope-in-45350-easy-steps/
 
If you want flat, use three. Two will happily create a concave/convex pair. Three, used in all combinations, cannot do that.

My example of two surfaces is of course not how one should do it, but it is likely what they did back then: rub a flat hard stone over the stone you want to flatten, with some abrasive materials.
 
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We still have a scientist in our midst who is not swayed by dogma and who knows how to follow evidence wherever it leads - I encourage you to follow the analysis put forth in Max Fomitchev-Zamilov's articles, I'm sure he will continue the search for scans of precision artifacts and perform rigorous analysis of the datasets. Max, if you ever find a vessel approaching the precision of PV001, you know how to find me - I would be compelled into the field once again.
Dr. Fomitchev-Zamilov has reached the same conclusion as Stine Gerdes regarding the "impossibly precise" stone vases.

Excerpts below are from https://maximus.energy/index.php/2025/11/09/closing-the-book-on-predynastic-egyptian-stone-vases/ published November 9th, 2025.
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Dear friends, in this post, I present my latest findings about the predynastic Egyptian stone vases. I feel like I reached the end of the road on the vase project. What I think of these objects now is not at all what I thought a year ago. In fact, the evidence I uncovered led me to change my initial beliefs by 180 degrees. I was wrong on many things, and it is time for me to correct/retract some of my claims.

Please keep in mind that I am not a hard-nosed academic; I have no stake in the outcome, and I conducted this research solely to satisfy my curiosity and uncover the truth. I wish the results were more earth-shattering than they turned out to be, but such is life! The truth is an austere lady, and what hides beneath the countless skirts may not be what you expect…

So here are my findings.

1. Privately Owned 'Precise' Vases are Most Likely Fakes


By relying on concentricity and circularity metrics, it is possible to tell genuine predynastic Egyptian objects apart from modern machine-made objects. Basically, objects turned on a lathe exhibit exceptional circularity and concentricity, which differ markedly from those of handmade objects (Fig. 1).

Unfortunately for the proponents of the ancient high-technology hypothesis, all widely discussed vases classified as 'precise' fall squarely within the machined class. That is, circularity and concentricity of both the inner and the outer surfaces of the 'precise' privately owned vases purportedly of ancient Egyptian origin are statistically indistinguishable from the quality of modern machine-made vases. As I mentioned earlier, two conclusions are possible from this observation:
  1. The 'precise' vases are of modern rather than ancient origin;
  2. An equivalent of modern machining tools existed in the late Neolithic period before Egypt's unification.
While it was unquestionably more fun to side with the second interpretation, over time, additional evidence forced me to side with the first. This evidence, in order of importance, is as follows:

A. The 'precise' vases are found only in private collections and are not present in museum collections. Granted, I did not scan every single predynastic vase out there; I personally scanned only 19 from the Petrie Museum, but I am not the only one scanning, and I have also looked at about 100 objects from private collections (Matt Beall, Jason Moras, and Rich Castagna). I ended up buying and owning a handful of objects, too. I visually examined hundreds of objects on display at museums, both online and in brick-and-mortar institutions. The only items that even looked 'precise' were those on loan or bequeathed from private collections, with no provenance linking them to the archaeological context in which they were found. However, 8 out of 19 Petrie Museum objects have a record of a specific tomb from which they were excavated. Because Egyptian antiquities are the world's most forged artefacts, it is only prudent to base judgment on objects with known archaeological origins, especially in a topic as potentially Earth-shattering as the existence of ancient high technology. So, until we find objects of similar quality with documented excavation histories, the genuine vs. forgery needle will continue to lean towards the latter.

B. The 'precise' vases do not look their age. Think about it, a predynastic vase must be at least 6,000 years old. It must have endured millennia of weathering, handling, trading, use, and abuse. How likely is it that you will wind up with a predynastic object that looks like it was made yesterday? No scratches, no chips, no nicks, no defects of any kind make these privately owned 'precise' vases stand out from the rest, especially when compared to predynastic objects in museum collections. They look very different in terms of the condition of their surfaces.

C. Some of the stone types and shapes of the 'precise' vases from the private collections do not match known ancient Egyptian artifacts. Predynastic Egyptians were very particular about the vase forms and stone types they used. They did not use some random rocks, nor did they produce random shapes.

To me, A & B move the genuine vs. forgery needle further to the right. You are, however, free to make your own judgement.

What would make me change my mind? Obviously, 3D scans of 'precise' vases with documented archaeological context of their discovery. But until this happens, the modern rather than ancient origins attribution for the 'pricese' vases from private collections is the most probable.
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In Conclusion


I am fully aware that YouTube exists for entertainment, and one can hardly expect serious research to take place there. Proper research takes effort, dedication, and expense, leaving no time for watching (or producing) videos. Also, academic research is often dull and makes for poor entertainment because of the highly technical, nitty-gritty details it is made of. As such, it pays for entertainers to produce just that, entertainment made up of speculation, mystification, and, on occasion, a sleight of hand. Unfortunately, this kind of content sticks, making proper research look biased and boring. I fully understand this, and the question I ask is: do you want entertainment, or do you want to know the truth? The two objectives are not always compatible.

There might be a more nefarious side to this, too: the antiquities market (like any market) is easily manipulated by hype and speculation. From what I hear, the prices of stone vessels shot up by 4,000% in recent years, with some Predynastic stove vases going for as much as $20,000, up from $1,000-2,000 just a few years ago. Follow the money, they say.

My company also owns a small collection of ancient Egyptian stone vessels. To me, the fact that the predynastic Egyptian stone vessels were not made using some Atlantean or alien tech does not detract from their beauty or value. These exquisitely crafted objects are an undeniable part of our shared cultural heritage. But it does not mean that all objects presented as such are genuine, and now we can tell the difference.
 
I find the parts you left out interesting.
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Figure-10.png

Fig. 1. Quality map of three classes of objects: machined (yellow), handmade (red), and predynastic (blue).
Figure-11.png

Fig. 2. Outer (left) and inner (right) surface quality maps for the three classes of objects.

This surface quality is present on many ancient Egyptian objects, regardless of the stone type. E.g., there are diorite, porphyric andesite, breccia, limestone, calcite (alabaster) objects that are characterized by a very similar fashioning quality, which I broadly call 'predynastic'. Applying the knowledge from the field of subtractive machining, the quality charts in Fig. 2 are interpreted as follows:

The outer surface is shaped by rotating the object (good concentricity, poor circularity).The inner surface is shaped by rotating a boring tool (excellent circularity, poor concentricity).
The question then becomes: if a vase looks like it was made with a modern technique, but claimed that it's ancient, what evidence do we have that it's ancient? And none of these vases have provenance. They're mostly "alien" to the time and culture they were claimed to be made in.

If I want to sell a modern vase as ancient, I need to claim that there were aliens in ancient times that had a technology that was subsequently lost, and never documented anywhere.

If I follow the evidence, I don't need to believe that, because the only "evidence" are these vases themselves: circular reasoning. "Ancient vases look like that because these ard ancient vases." Modern vases also look like that, on ample evidence.
 
I just saw that Fomitchev-Zamilov has also published his findings in the Nature imprint npj Heritage Science in December 2025 where he includes further technical details of his methodology, classification of surface finish, etc.

Fomitchev-Zamilov, M. A metrological method for manufacturing quality assessment and classification of ancient Egyptian stone vessels. npj Herit. Sci. 13, 659 (2025). https://doi.org/10.1038/s40494-025-02196-7

https://www.nature.com/articles/s40494-025-02196-7.pdf
 
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