Gold Nugget
Gold nugget
Item-No.: MINS4310 Price: 27.00 EUR
Mokelumne River, Amador Co., California, USA
Gold nugget
Item-No.: MINS4329 Price: 12.00 EUR
Aqua Fria River, Yavapai Co., Arizona, USA
Gold nugget
Item-No.: MINS4330 Price: 11.00 EUR
Aqua Fria River, Yavapai Co., Arizona, USA
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 |