Selenite Iceberg Towers are a powerful cleansing tool for your home or office, and will continually purify and protect the energy of your environment. When you place 4 Selenite icebergs in each corner of a room, these crystals act as powerful protective shields, absorbing and dispelling all accumulated negative energies while creating a safe and harmonious space. Being a natural stone, there may be slight variations from the item pictured.