Answer:
I am the minerals vital for your good health.
What word in the English language does the following: The first two letters signify a male the first three letters signify a female the first four letters signify a great while the entire world signifies a great woman?
When you stop and look you can always see me. If you try to touch you cannot feel me. I cannot move but as you near me I will move away from you.
I make a living following the wealthy and beautiful.
Long and thin red within with a nail at the end.
What never gets any wetter no matter how hard it rains?