The Blue Quartz Towers are believed to have the power to change negative thoughts or energies to positive. A lineage crystal that channels energies and brings clarity, the energy of quartz serves to enhance communication and balance within relationships. These wonderful towers of blue quartz crystals are believed to help reduce negativity and improve health. Tower Sizes: 1 to 1.5 Inches Wide and 2.25 to 3 Inches Tall Please note that Tower A7 does not stand up on its own. The way it is cut keeps it from standing up.