Trapped in a Mirror!

1) You were walking along the beach when you see something shiny in the sand. You dig a bit, then pull out a hand-mirror. It was rainbow styled with a heart/soul at the top of the rim, smaller gems speckled down the sides. You take it home, but in the night, you hear the sound of someone knocking on glass. What do you do?

2) Same thing. Mirror features~ Golden with light blue and yellow speckles and gems. Star on the top rim.

3) Same thing. Mirror features~ Black with jet stones and bloodstones. Lightning bolt on the top tim.