Gold leaf Gold leaf Gold leaf is gold that has been hammered into thin sheets by goldbeating and is often used for gilding. Gold leaf is available in a wide variety of karats and shades. The most commonly used gold is 22-karat yellow gold. Gold leaf is a type of metal leaf, but the term is rarely used when referring to gold leaf. The term "metal leaf" is normally used for thin sheets of metal of any color that do not contain any real gold. Pure gold is 24 karats. Real, yellow gold leaf is approximately 91.7% pure gold. Silver-colored white gold
Carat (mass) little variance in their mass distribution. However, this was a factual inaccuracy, as their mass varies about as much as seeds of other species. In the past, each country had its own carat. It was often used for weighing gold. Starting in the 1570s, it was used to measure weights of diamonds. An 'international carat' of 205 milligrams was proposed in 1871 by the Syndical Chamber of Jewellers, etc., in Paris, and accepted in 1877 by the Syndical Chamber of Diamond Merchants in Paris. A metric carat of 200 milligrams – exactly one-fifth of a gram – had often been