Crystal Selenite Spiritual Healing Massage Palmstone with Certificate of Authenticity Beverly Oaks Exclusive. Average size is 70mm x 50mm, which is approximately 3" x 2". A Beverly Oaks Exclusive Supplier Item. Each piece is chosen at random For Meditation, healing, enhancements and other spiritual practices. Selenite has many wonderful properties such as providing mental clarity, increasing heightened awareness of self and of ones environment. Opening doors to allows one to see inner truth. Promotes success in business and assists in accessing past lives.