'Rare' in the Bible

You did not [even] anoint My head with [ordinary] oil, but she has anointed My feet with [costly and rare] perfume.

Then Mary took a pound of very expensive perfume of pure nard, and she poured it on Jesus’ feet and wiped His feet with her hair; and the house was filled with the fragrance of the perfume.

having God’s glory [filled with His radiant light]. The brilliance of it resembled a rare and very precious jewel, like jasper, shining and clear as crystal.