In our previous article, we discussed various differences in the types of gold that can be used in wedding bands and engagement rings. However, gold, although popular and traditional, is not the only option out there for Wedding Band metals. Now let's discuss some alternative metals that are popular in rings. Titanium Titanium is a natural element which has a silver-greyish-white color. Titanium is the hardest natural metal in the world. It is very strong, three times the str