Brown Agate flames on Stand Brown agate is said to have calming and protective properties, and can help harmonize negative and positive energies. It is believed to help improve concentration, memory, self-esteem, and promote love and spiritual growth. Some of the benefits attributed to brown agate include: Harmonizing negative and positive energies Improving concentration and memory Promoting calm and harmony Increasing self-esteem Promoting love and spiritual growth Act as a protective shield Invite deep reflection Promote self-acceptance Improve concentration and focus Help find stability and serenity