Answer:
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
I am the most famous dinner ever attended. What am I?
When I am alive, people sing. When I am dead, people clap hands. What am I?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?