Blue Lace Agate Gemstone 20mm In addition to the generic healing properties of Agate and Chalcedony, the Blue Lace Agate variety is a very cooling and calming stone, endowing us with a sense of peace and tranquility. A powerful throat healer, it assists with verbal expression of thoughts and feelings. Blue Lace Agate is a great nurturing and supportive stone, neutralising anger, infection, inflammation and fever. Price is for one stone. stone shape and size may vary. Sizes are approx.