11-03-2026, 09:50 PM
I was also surprised by the amount of uncertainties Barabe expressed (the last part of his presentation and the Q&A was the only part I was able to watch, and I got patches of the last presentation).
For completeness' sake, I think I also understood that:
* the titanium is not of the kind indicative of modern pigments
* he considers everything he saw period-appropriate, though some pigments (like the green) do not correspond to any of his reference samples. He suspects the green may have been gained by oxidizing copper. (Correct me if I'm wrong on this).
* puzzling results are very common
For completeness' sake, I think I also understood that:
* the titanium is not of the kind indicative of modern pigments
* he considers everything he saw period-appropriate, though some pigments (like the green) do not correspond to any of his reference samples. He suspects the green may have been gained by oxidizing copper. (Correct me if I'm wrong on this).
* puzzling results are very common