Gold will not corrode, rust, or tarnish, and although it is very strong, it is also the most malleable of all metals.
Platinum is relatively rare and is more valuable than gold.
Silver is bright, durable, and more abundant than gold.
Titanium is a light, strong, lustrous, corrosion-resistant transition metal with a silvery-white metallic color.
Tungsten Carbide is a chemical compound containing tungsten and carbon, similar to titanium carbide.
White Gold vs. Yellow Gold
The color of gold is established by the percent of alloy added to the gold.