- As a Mineral: Occurs in Pinal County.
Chemical Formula: Sb
Specific Gravity: 6.62
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
2. As an Element:
Chemical Symbol: Sb
Atomic Number: 51
Atomic Mass: 121.75 g/mol
Known since ancient times.