AU is the symbol for gold... 925 refers to the purity of that particular piece...
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 chemical symbol for gold according to the periodic table. When it is used in the context of "999 gold," it signifies that the gold is 99.9% pure.
Au is the symbol for gold on the table of elements. Au10 is probably 10k gold.
Au is the chemical symbol for Gold. Therefore, it means the ring is made of pure gold.
Au can refer to gold, Australia, or Austria, depending on context.