Agate has a stable and grounding quality. It is used to keep you in the present moment, grounded to this earth and focused on what you have to accomplish here and now.
It is also a stone of vitality, stamina and strength. So if you are in need of extra earth energy, Agate may be the stone for you!
Each type of Agate will vary in its healing properties.

Emotionally, agate gives courage, emotional strength, self-confidence, and dispels fears. It can also lessen feelings of envy by grounding the emotions. In the same way, it assists with acceptance of all things. It can be very beneficial for self-examination as well as examination of the circumstances one finds oneself in. These qualities make agate superior for easing anxiety and stress. Plume agates are especially helpful for anxiety and stress relief. Particularly when placed on the Solar Plexus (3rd) Chakra it can help one to accept one's emotions, thereby helping overcome those emotions that one wants to remove.

Intuitively Chosen.