I collect gem stones: rose quartz, amethyst, celestite, aquamarine, selenite. Others I will have to look up to recall. The rock with the beads is a gift from a friend from Huston. I have given a few away to my nephew who was a budding geologist when he was younger. I have a favourite store (Crystalworks Gallery) that I visit from time to time and find I am always attracted to a particular crystal. When I consult my handy Crystal Bible (Judy Hall), the stone always has the healing properties I need at the time. This is my current collection out on the balcony for a little re-energizing sun bath. Nothing to part with here.