That is a very interesting piece of history, here are the verses that Jerome mistranslated, it is quite apparent what the true translation is;
Exo 34:29 And it came to pass, when Moses came down from mount Sinai with the two tables of testimony in Moses' hand, when he came down from the mount, that Moses knew not that the skin of his face shone7160 while he talked with him.
Exo 34:30 And when Aaron and all the children of Israel saw Moses, behold, the skin of his face shone;7160 and they were afraid to come nigh him.
Exo 34:31 And Moses called unto them; and Aaron and all the rulers of the congregation returned unto him: and Moses talked with them.
Exo 34:32 And afterward all the children of Israel came nigh: and he gave them in commandment all that the LORD had spoken with him in mount Sinai.
Exo 34:33 And till Moses had done speaking with them, he put a veil on his face.
Exo 34:34 But when Moses went in before the LORD to speak with him, he took the veil off until he came out. And he came out and spoke unto the children of Israel that which he was commanded.
Exo 34:35 And the children of Israel saw the face of Moses, that the skin of Moses' face shone7160: and Moses put the veil upon his face again, until he went in to speak with him.
H7160
קרן
qâran
kaw-ran'
A primitive root; to push or gore; used only as denominative from H7161, to shoot out horns; figuratively rays: - have horns, shine.
This event foreshadowed another one even more significant;
Luk 9:28 And it came to pass about eight days after these sayings, he took Peter and John and James and went up into a mountain to pray.
Luk 9:29 And as he prayed, the fashion of his countenance was altered and his raiment was white and glistering.
Luk 9:30 And behold, there talked with him two men, which were Moses and Elijah:
Luk 9:31 Who appeared in glory and spake of his decease which he should accomplish at Jerusalem.
And this foreshadows an even greater event!
Peace,
Joe