1.5 cm. Moss agate helps with inner restlessness. It will strengthen the heart and blood circulation, help with viral infections and inflammation. It acts against arteriosclerosis and allergies, eye problems, against bleeding, strengthens the function of the intestines, kidneys, brain, liver, spleen in diabetes. It reduces the negative effects of smoking and the effects of poisonous substances on the body. There is a lot he can do, and if we help him with our efforts, it is won.