Category: General

What does 570 mean on jewelry?

AURUNA® 570 is an alkaline-cyanide alloy electrolyte for depositing green-yellow gold coatings. The gold-silver alloy has a fineness of approx. 18 carats....

How does gold get its value?

The value of gold goes up because the demand for it goes up, while the supply has been basically static (or growing at a low static rate) for a long time....