mineral
Native Gold
Gold (Au)
Hardness: 2.5-3.0 Mohs; Color: Metallic yellow; Luster: Metallic; Crystal Structure: Isometric; Cleavage: None; Specific Gravity: 15.6-19.3
- Hardness
- 2
- Color
- Metallic yellow
- Luster
- Metallic
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Physical properties
Hardness: 2.5-3.0 Mohs; Color: Metallic yellow; Luster: Metallic; Crystal Structure: Isometric; Cleavage: None; Specific Gravity: 15.6-19.3
Formation & geological history
Commonly found in hydrothermal quartz veins and as placer deposits in river beds. It is often associated with quartz and various sulfides.
Uses & applications
Primarily used in jewelry, finance, electronics, dentistry, and aerospace due to its high conductivity and resistance to corrosion.
Geological facts
Gold is incredibly ductile; a single ounce can be stretched into a wire 50 miles long. It is non-toxic and has been used in food and medicine throughout history.
Field identification & locations
Identify by its high density (heavy for its size) and sectility (can be cut with a knife without crumbling). Look for hallmark stamps on manufactured jewelry.
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