Question

I come from a mine and get surrounded by wood always. Everyone uses me. What am I?

The idea of a mine might lead you to coal or a diamond. The wood detail is your best hint. This riddle is a toughie, but wood might lead you to figure it out.

Answer 1

The answer is pencil lead

Step-by-step explanation:

Lead comes from a mine and if since it is surrounded by wood then that means that it is a wood pencil.