Answer:
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
I am all around yet to me you are half blind. Sunlight makes me invisible and difficult to find.
I move without wings between silken strings. I leave as you find my substance behind
What kind of tree can you carry in your hand?
This small, round stone fruit that is typically bright or dark red, is often served on top of whipped cream on a milk shake.