mineral
Gold in Quartz
Gold (Au) in Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness 2.5-3 for gold, 7 for quartz. Color is metallic yellow within white or grey quartz. Luster is metallic to vitreous. Specific gravity is high due to gold content.
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Physical properties
Hardness 2.5-3 for gold, 7 for quartz. Color is metallic yellow within white or grey quartz. Luster is metallic to vitreous. Specific gravity is high due to gold content.
Formation & geological history
Formed by hydrothermal fluid circulation depositing minerals in crustal fractures during various geological eras.
Uses & applications
Used primarily for jewelry, bullion investment, and electronic components.
Geological facts
Many of the largest gold nuggets ever found were actually embedded in quartz matrix rock.
Field identification & locations
Identify by the heavy weight of the specimen and the distinct yellow metallic flecks that do not tarnish. Found in auriferous veins worldwide.
