Mercury

1. As a Mineral: Occurs in Pinal County.

Chemical Formula: Hg

Specific Gravity: 13.5-13.6

Luster: Metallic

Hardness: 1-1.5

Mercury is a unique element that is liquid at room temperature. It forms droplets and does not crystallize. It is used in various applications, including thermometers and scientific instruments.

Next Pinal County mineral: Metatorbernite

2. As an Element:

Chemical Symbol: Hg

Atomic Number: 80

Atomic Mass: 200.59 g/mol

Known since ancient times.

3. The planet closest to the Sun in our solar system.