10k Dolphin Pendant Tanzanite 14K Yellow 4 mm Round

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10k Dolphin Pendant Tanzanite 14K Yellow 4 mm Round10k Dolphin Pendant 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 (melted) with gold, only certain metals will