Jerkin (Zirconia) is also known as American Diamond is used as the alternative stone of real diamond. It is recommended to those whose Sun-Sign, Moon-Sign or Lagna (Ascendant) lordship is under planet Venus. Individuals with the sign of Taurus and Libra are generally suggested to wear a Jerkin or American diamond. The actual stone related to Venus is a real diamond. But as Jerkin has the properties almost similar to a diamond, and this stone is cheaper than real diamond many astrologers recommend Jerkin instead of real Diamond. The wearers of American Diamond gain the willingness to execute their planned objectives. It tends to protect those, who often waiver to take timely decisions. American Diamond also enables the wearer to do good deeds, deserving acclamation. It also provokes a state of spiritual ecstasy and enables the wearer to meet the challenges boldly in life.