We are told that Ber fell in this combat, while Thorias left the battle severely wounded.
"The Danish History, Books I-IX" by Saxo Grammaticus ("Saxo the Learned")
The specific gravity of pure thoria is 10.2207 to 10.2198.
"Scientific American Supplement, No. 365, December 30, 1882" by Various
Much the best practical source of helium is thorianite, a mineral imported from Ceylon for the manufacture of thoria.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2" by Various
With thoria the shrinkage is smaller than with any other known substance, and it possesses very high refractory powers.
"Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6" by Various