You cannot see Henry and not be amazed. Each time you see him you are struck afresh by him, as if it were the first time: a massive man, bull-necked, his hair receding, face fleshing out; blue eyes, and a small mouth that is almost coy. His height is six feet three inches, and every inch bespeaks power. His carriage, his person, are magnificent; his rages are terrifying, his vows and curses, his molten tears.
— Bring Up the Bodies by Hilary Mantel
What is the meaning of the 'molten tears'? Shiny tears? Thick tears? Intense tears?