14K Yellow 4 mm Round Genuine Blue Zircon Birthstone Earrings Vintage They also enhance properties such

They also enhance properties such as castability

14K White Freshwater Cultured Pearl & 1/4 CTW Diamond 16-18" Necklace

14K Yellow Blue Sapphire Infinity-Inspired Bar 18" Necklace

Sterling Silver 1/10 CTW Diamond Filigree 16-18" Necklace

only certain metals will not dramatically change the color or make the metal brittle

14K Yellow 4 mm Round Genuine Blue Zircon Birthstone Earrings Vintage They also enhance properties such14K Yellow 4 mm Round Genuine Blue Zircon Birthstone Earrings Pure gold (fine gold) is softer than pure silver but harder than tin. Its beauty and luster are unmatched by any alloyed gold. The extreme malleability, ductility, and softness of pure gold make it practically useless for jewelry applications. Alloying elements (other metals) are added to gold to increase the toughness and hardness of the gold alloy. While almost any metal can be alloyed