To place it in sea salt in a 100% cotton bag for a week or so will usually purify and restore it. Store it in 100% cotton bag for a longer active life span before having to cleanse again.
I cannot find a scientific study on the healing powers of crystals. If you want to try a crystal to see if it works, check out www.alphapowercrystals.com . They offer a 30 day satisfaction guarantee...
Practitioners of crystal healing believe that crystals, particularly quartz crystals such as amethyst or clear quartz, contain energy that enhances healing of both body and mind.
im pretty suuure there are because i went to the Salem Museum and i bought a real crystal necklace and the lady who sold it to me said i should be careful cause crystal necklaces have many...