Each stone varies. Blue lace agate is commonly used for enhancing communication skills, clarity and confidence. The chakra affected is Throat (5th). The majority of the most high quality material comes from South Africa. This stone is a great tool for anyone who as difficulty making themselves heard by others or who want to become more articulate in their speech. Physically, blue lace agate is great to use if one has a sore throat, laryngitis, or other inflammations of the throat area since it carries a very soothing energy overall.