Perception, internal conflicts, pride, willfulness, emotional balance, yin-yang, fatigue, hemophilia, hepatitis, mononucleosis, depression, eyes, night vision, throat, reproductive organs, constrictions, broken bones.

In the Middle Ages, it was used to make amulets that protected the wearer against spells, demons and the evil eye.

SiO2+FeOOH Precious Emerald Gemstone and Swarovski Crystal Bracelet