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  1. As a Mineral: Occurs in Pinal County.

Chemical Formula: Sb

Specific Gravity: 6.62

Luster: Metallic

Hardness: 3

Antimony is a chemical element and not a mineral in the traditional sense. It is a brittle metalloid that is used in various applications, including flame retardants, batteries, and alloys.

Next Pinal County mineral; Antlerite

MinDat Antimony

2. As an Element:

Chemical Symbol: Sb

Atomic Number: 51

Atomic Mass: 121.75 g/mol

Known since ancient times.