Best Answer: So used to something it doesn't impress you anymore. Unimpressed, unfazed. A person who is blasÃ© about something would respond Meh.
While cobalt is harder than titanium, and therefore more scratch resistant, tungsten is still the hardest metal currently on the market. In simple terms, although cobalt and tungsten are both extremely hard metals, a tungsten ring will have a higher resistance to scratching. MONARCH-Tungsten Diamond Ring.
This specially engineered, exclusively patented metal formulation is a unique blend of tungsten and carbon that creates a material that's one of the hardest materials used in jewelry. In fact, Tungsten Carbide TC.850TM is ten times harder than gold.