Crackle Quartz is a gemstone which has meaning and properties to counteract negative energy. It is known as an excellent amulet to avoid evil energy. It is also useful when you want to regain positive emotions. Helping your thoughts to clearer and make positive ideas easier. Clear Quartz is the stone of power and amplifies your intentions. As a channeling crystal, use during meditation, spiritual development and healing.Nickel FreeLarge Lobster ClaspAdjustable to FitTwo inch adjustable chain added after purchase for adjustable fit (adjustable 12-14inches)