Immune system, infections, perseverance, fortitude, positive ego, unshakable self esteem, emotional trauma, self confidence, concentration, perception, analytical abilities, aura stabilization, negative energy transformation, emotional diseases, digestive process, gastritis, eyes, stomach, uterus, lymphatic system, pancreas, blood vessels, skin disorders.

Tree Agate is a form of dendritic quartz

SiO2+Fe,Mn,Si Tree Agate