Those are the initial of the company or maker.
AU 14kt refers to the purity of gold in an alloy. "AU" is the chemical symbol for gold, while "14kt" indicates that the gold is 14 karats, meaning it contains 58.3% pure gold and 41.7% other metals. This mixture enhances the durability and strength of the gold, making it suitable for jewelry and other applications.
AU is the symbol for gold... 925 refers to the purity of that particular piece...
The "au" on a 10k necklace indicates that the piece is made of gold, as "Au" is the chemical symbol for gold on the periodic table. The "10k" signifies that the gold content is 10 karats, meaning it contains 41.7% pure gold and the rest is made up of other metals. This alloying process enhances durability while still maintaining some gold qualities.
Au is the elemental symbol for gold, from the Latin name for gold, aurum.
Au is the symbol for gold
AU is the chemical symbol for gold on the periodic table.
24 karat gold - 100% Au - pure gold, very soft and very easily bent, too soft for jewelry.Therefore the gold is alloyed with silver, copper, nickel or zinc:22 karat gold - 91.7% Au - still too soft for most jewelry18 karat gold - 75.0% Au - for fine jewelry, the best for beauty and durability14 karat gold - 58.3% Au - OK for jewelry but the gold is of a duller colour12 karat gold - 50.0% Au - not OK for most western jewelry10 karat gold - 41.7% Au - legal limit for 'real' gold in USAWHITE GOLD is NOT PLATINUM but is a good cheaper substitute = gold+nickel+copper+zinc.
Au is the chemical symbol for Gold. Therefore, it means the ring is made of pure gold.
gold
Gold
AU is the symbol for gold in the periodic table.
Au is the chemical symbol for Gold. Therefore, it means the ring is made of pure gold.