Selenite Crystal Bracelet 8mm Beads, 3" diameter with elastic band. Selenite is considered a high-energy crystal that vibrates at a high frequency and is believed to be a stone of protection that wards the mind.. Wearing the Selenite 8mm Bracelet may evoke a sense of serenity and balance, as the stones are believed to promote mental clarity and positive energy flow. The versatile design makes it suitable for various occasions, from casual outings to more formal events, offering a touch of understated elegance to any ensemble.