Answer:
I stand in one place yet I fill a whole room. I can be filled with molten rock and come in every hue.
I have three feet but no arms or legs
I was was before was was was.
Lighter than what I am made of. More of me is hidden than seen. What am I?
I have married many women but have never been married. What am I?
What never gets any wetter no matter how hard it rains?