> Minerals
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Gold Nugget
Synonyms: |
Native Gold, Placer Gold, Qori, Sol |
Classification: |
Elements, Copper group |
Chemical formula: |
Au |
Crystal system: |
Isometric |
Density (g/cm3): |
15 - 19.3 measured, 19.309 calculated |
Tenacity: |
Malleable |
Cleavage: |
None observed |
Fracture: |
Hackly |
Hardness (Mohs): |
2.5 - 3 |
Colour: |
Rich yellow, paling to whitish-yellow with increasing silver |
Lustre: |
Metallic |
Streak: |
Shining yellow |
Transparency: |
Opaque |
Application: |
Used as standard for international currency, jewelry, electronics, dentistry |
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