1 and platinum are also called pure white gold.

2. Its symbol is pt silvery white, with a specific gravity of 2 1.35, a melting point of 1.700℃, a Mohs hardness of 4-4.5 degrees, stable chemical properties and no acid-base corrosion except aqua regia. Pure platinum is soft, and the addition of metals such as palladium, rhodium and ruthenium will increase its hardness.

Platinum:

1, platinum (Pt for short) is a natural pure white precious metal, known as the king of precious metals.

2. According to the national naming standard of precious metals, only platinum can be called platinum. Platinum is pure, eternal, rare, never fades and never wears out. Please look for the Pt logo when buying platinum!

3, platinum, 2 billion years ago, a huge meteorite hit the earth, bringing this precious metal.