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.
<br /><br /> Niobium is a light weight heat resistant metal. <br /><br /> The hardest material known is still Diamond (Mohs Hardness 10) <br /> Tungsten Carbide is one of the hardest and most durable metal alloys, Mohs 9 <br /> There are forms of Carbon Steel that do very well for strength and hardness.