mineral

Native Gold

Native Gold (Au)

Hardness: 2.5-3.0 Mohs; Color: Metallic golden yellow; Luster: Metallic; Crystal Structure: Isometric; Cleavage: None; Specific Gravity: 19.3 (very heavy).

Hardness: 2
Color: Metallic golden yellow
Luster: Metallic

Identified July 4, 2026More mineral →

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Physical properties

Hardness: 2.5-3.0 Mohs; Color: Metallic golden yellow; Luster: Metallic; Crystal Structure: Isometric; Cleavage: None; Specific Gravity: 19.3 (very heavy).

Formation & geological history

Primary deposits form in hydrothermal veins often associated with quartz and sulfide minerals, igneous intrusions, or metamorphic host rocks. Secondary deposits (placer) form through erosion and water concentration.

Uses & applications

Major use in jewelry, currency, electronics due to high conductivity, dentistry, and aerospace for its reflective properties.

Geological facts

Gold is one of the least reactive chemical elements and is solid under standard conditions. Most gold found in nature is 'native,' meaning it is not bonded to other elements.

Field identification & locations

Identify by its high density, extreme malleability (it will dent, not shatter), and lack of tarnish. Commonly found in California, Alaska, Australia, and South Africa.