Gold leaf is a thin sheet of gold that is often used for gilding, which is the process of applying a layer of gold to a surface. It is made by hammering gold into very thin sheets, typically measuring just a few microns in thickness. This delicate material can be applied to various surfaces, including wood, metal, and glass, to create a luxurious finish. Gold leaf is commonly used in art, architecture, and decorative crafts. It has been a popular choice throughout history, seen in ancient Egyptian artifacts, Renaissance paintings, and Buddhist temples. Its reflective quality and rich color make it a favored medium for enhancing the beauty of objects and structures.