This is evidenced in cases where gems have been found encrusted on their matrix, which latter was being slowly transformed to the character of the jewel encrusted, or "Scabbed" on it.
"The Chemistry, Properties and Tests of Precious Stones"
John Mastin
A blind man, or a lame, or he that hath a flat nose, or anything superfluous, or a man that is broken-footed, or broken-handed, or crook-backt, or a dwarf, or that hath a blemish in his eye, or be scurvy, or Scabbed, or hath his stones broken shall not come nigh to offer the offering of the Lord made by fire.
"The History of Antiquity, Vol. II (of VI)"
Max Duncker
Here be a couple of knights cowardish and Scabbed!
"A Select Collection of Old English Plays, Volume I."
R. Dodsley