Igneous Rocks are formed by crystallization from a liquid, or magma. They include two types. Magma is a mixture of liquid rock, crystals, and gas. Characterized by a wide range of chemical compositions, with high temperature, and properties of a liquid.
One of the earliest forerunners of modern ice cream was a recipe brought back to Italy from China by Marco Polo. The recipe was very like what we would call sherbet. From there, it is thought that Catherine de Medici brought the dessert to France when she married King Henry II in 1533.
The Evolution of Ice Cream. Ice cream's origins are known to reach back as far as the second century B.C., although no specific date of origin nor inventor has been undisputably credited with its discovery. We know that Alexander the Great enjoyed snow and ice flavored with honey and nectar.