Protection for the home spell

This is a very simple spell, you just need:

4 clear quartz crystal points

Directions:

Leave the 4 crystals outside your home on the night of a full moon. Pick them up the next day, hold them tight in your hands and visualize protection for your home.
Place the crystals inside your house one at each of the 4 corners with the point facing toward the outside (toward the back or front yard) as you place each crystal say:

"With this crystal I protect my home from negative energies and bad entities."