Gray Agate is particularly good at helping us see �the shades of gray� that often exist. Gray Agate encourages quiet contemplation and a willingness to refine beliefs based on new knowledge and experiences. Gray Agate is a calming and soothing stone that brings comfort, especially to those that have suffered from any sort of trauma. It can stabilize emotional turmoil, improve concentration and clarify perception.Sold individually. They will be intuitively selected for you from what we have available.