Chalcedony is a common quartz found in United States, Austria, Czech Republic, Iceland, Mexico, Britain, New Zealand, Turkey, Russia, Brazil. Known as a sacred stone by Native Americans, it is said to promote good will, ease self doubt, promote openness, absorb negative energy, and align the mind, body, and spirit. Mothers who have just given birth use this stone to increase lactation. Others can use this stone to enhance maternal instincts in themselves. It's connection to the Throat and Third eye Chakras would make it great for those going through therapy.
Disclaimer: Crystal healing is not a substitute for medical advice and treatment. It may be used as a supplement. If you choose to use crystal healing on yourself or others, you do so at your own risk.