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Atomic number: 78

Atomic weight: 195.084

Melting point: 3,215 degrees F

Specific gravity: 21.4 when pure

Hardness: 4-4.5

What is Platinum ?

Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata “silver.