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.
When it comes to the weight of rings made in tungsten or titanium, the metals are at either extreme. Titanium is well known for its lightweight characteristics. So much so, it is often referred to as weightless or featherweight and high quality titanium is called aircraft grade.