Answer:
I am an animal and a hair product
I'm a precious stone in a pack of cards. What am I?
Lovely and round, I shine with pale light. Grown in the darkness, a lady's delight. What am I?
I ask no questions but receive a lot of answers. What am I?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.