Upon her return to the United States, Handler reworked the design of the doll (with help from engineer Jack Ryan) and the doll was given a new name, Barbie, after Handler's daughter Barbara. The doll made its debut at the American International Toy Fair in New York on March 9, 1959.pon her return to the United States, Handler reworked the design of the doll (with help from engineer Jack Ryan) and the doll was given a new name, Barbie, after Handler's daughter Barbara. The doll made its debut at the American International Toy Fair in New York on March 9, 1959.
The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS2. This mineral's metallic luster and pale-to-normal, brass-yellow hue have earned it the nickname fool's gold because of its resemblance to gold.
Pyrite or iron pyrite is known as fool's gold because of its  color. It is somewhat gold in color and has many of the hues  associated with the precious metal.yrite can be identified as a bright-yellow mineral, with a  bright-metallic luster. Pyrite can be used to spark a fire if  struck against metal or another hard material. Py â¦ rite was used as a  spark-producing material in flintlock firearms.