Blue Agate Brilliance: Azure Shades in Nature's Paintings Blue Agate not only enhances expressiveness, courage, and social skills but also paves your way with kindness, joy, and appreciation, making it beneficial for communication and harmony. To activate this crystal's potential for communication skills, lie on your yoga mat and place the crystal over your throat, then meditate and chant the seed mantra OM into the crystal for a few minutes.