Ming launches the 21.01 Project 21 in tantalum ✓ An impressively finished case with a vintage Piguet Caliber 21 ✓ Check it ...

Tantalum is a metal in group VB of the periodic table with atomic number 73, an atomic weight of 180.95, and a density of 16.6 Mg/m 3. Its melting point is 2996 C, and it boils at 5425 C. In the solid ...