Blue Chalcedony is a variety of chalcedony quartz with traces of iron, copper, titanium and manganese. It engenders creativity, open-mindedness and effective communication.
Clear Quartz is an amplifier of other energies, including the energy of other crystals. With clear intention, it can be used to magnify ones focus to a task, and it can be programed to resonate with ones intentions.
Clear Quartz is an excellent tool for meditation, as it vibrates at the same frequency as the higher chakras.