Can mineral deposits be good for you? Some people think so, and for years people have kept mineral crystals in their rooms or even under their pillows for their believed effects on the mind. This practice is actually quite ancient, with folk in the middle ages commonly keeping herbs and crystals in the bedroom to promote clear thoughts and better dreams. As the practice was never discouraged as something bad, it was simply rediscovered in recent years. Find crystals for aura cleansing from a website devoted to such services.
There are different ways to cleanse the mind, such as sitting calmly for a few minutes. Having a crystal around might help, depending on your nature and disposition. The crystals themselves are quite attractive and remind the onlooker of how attractive pure things are. It is a visual reminder, eye-candy, and maybe it does have some type of cleansing power on the electromagnetism of the body.