I loved reading about your experiences. I am drawn to yellow stones, but I also love smoky quartz and I have a huge laboradite pendant which helps when my stress levels are too high. I have also had the unfortunate experience of evil trapped in slices of agate. A customer sold it to me and I left it in a box in a drawer (very unusual for me). I forgot about them, but wanted to give them to my daughter. She didn't want anything to do with them. I tried to "clean" it and then left it in my room. The next morning my daughter said she had the most awful night with an evil spirit of a woman who crouched next to her bed. I quickly got rid of the agate, and the woman didn't return.