Wool and snow are examples of things that are very white. The repetition of "as white as" emphasizes that they were very white. (See: [[rc://en/ta/man/translate/figs-simile]] and [[rc://en/ta/man/translate/figs-doublet]])
This is the hair of a sheep or goat. It was known to be very white.
# his eyes were like a flame of fire
His eyes are described as being full of light like a flame of fire. AT: "his eyes were glowing like a flame of fire" (See: [[rc://en/ta/man/translate/figs-simile]])