'Rare' in the Bible

“Like valleys that stretch out,Like gardens beside the river,Like aloes planted by the Lord,Like cedars beside the waters.

The boy Samuel served the Lord in Eli’s presence. In those days the word of the Lord was rare and prophetic visions were not widespread.

There is gold and a multitude of jewels,but knowledgeable lips are a rare treasure.

by knowledge the rooms are filled with all rare and beautiful treasure.

I will make man scarcer than gold,and mankind more rare than the gold of Ophir.

And it is a rare thing that the king requireth, and there is none other that can shew it before the king, except the gods, whose dwelling is not with flesh.