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 is especially true if it is going to be installed in an area that receives a significant amount of use. While granite is a harder stone and in some cases two-centimeter thickness will be fine, if you are installing limestone or marble counters, you should select the thicker option. This is because these are softer stones and the thicker it is, the more durability it will have.