Amber often has inclusions such as air bubbles, insects or pine needles from the way it is formed. As amber is soft, it can be easily scratched. Be certain to store amber jewelry separately from your other jewelry. Amber has been imitated by plastic, glass, synthetic resin and other natural resins. It is often heated in oil to remove cloudiness.
Green amber is often heated-treated yellow amber.
Hardness Amber has a hardness rating of 2.5. Birthstone Months Amber is not a birthstone . It lightens the burdens of life. Lore Amber has been used for decoration since the stone age. Amber with special markings such as the initials of ones name was thought to be a great protective talisman.