Re:Medieval books reveal the extreme methods with which arti...
by analog31 on Thursday February 16, 2017 @02:33PM
(#13662842)
I don't remember the source, but apparently one of the many analyses of Stradivarius violins concluded that one of his red pigments was from the Americas.
https://en.wikipedia.org/wiki/Polish_cochineal
I also found this bit from the MET:
https://issuu.com/metmuseum/docs/cochineal_winter_2010_bulle...