Answer:
I wear a red robe, with staff in hand, and a stone in my throat.
I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.
It's the only vegetable or fruit that is never sold frozen, canned, processed, cooked, or in any other form but fresh
Sometimes black, sometimes white, I have veins but no blood
What surrounds the world, yet dwells within a thimble?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?