Platinum

Physical properties


Physical state @ 20°C: Solid
Color: Silvery-white. Steel gray to dark gray as mineral [4]
Luster: Metallic [4]
Transparancy: Opaque [4]
Streak: Steel-gray to silver-white [4]
Molecular weight (g/mol): 195.078(2) [1]
Melting point (°C): List of melting points 1769 [1]
Boiling point (°C): List of boiling points 4170 [1]
Density (g/cm3): Density list 21.45 [1]
Molar volume (cm3): 9.1 (20 °C) [2]
Elastic properties:
Young's modulus (GPa):
Rigidity modulus (GPa):
Bulk modulus (GPa):
Poisson ratio:

155-172 [2]
61 [2]
276 [2]
0.38-0.39 [2]
Hardness:
Mineral hardness:

4-4.5 [4]