Gold

Physical Properties

Hardness: 2.5-3; Color: Golden yellow; Luster: Metallic; Crystal Structure: Isometric/Cubic; Cleavage: None; Specific Gravity: 19.3

Formation & Geological History

Formed primarily in hydrothermal veins and placer deposits; often associated with quartz and sulfide minerals. It creates as a result of magmatic processes or erosion transport.

Uses & Applications

Extensively used in jewelry, electronics (due to high conductivity), dentistry, and as a financial reserve/currency.

Geological Facts

Gold is one of the most ductile and malleable metals on Earth; a single ounce can be beaten into a sheet covering 100 square feet. It is chemically inert and does not tarnish.

Field Identification & Locations

Identified in the field by its high density, golden streak, and metallic luster. Common locations include South Africa, Australia, Canada, and the United States (California/Alaska).

Identified on: 5/2/2026

Mode: Standard