Crystals are very uncommon and are usually distorted.
Dendrites , wires , nuggets , and small flakes are more common. Luster Metallic Cleavage None Fracture Hackly Tenacity Ductile and malleable Other ID Marks Excellent conductor of electricity Other Names Native Gold Varieties Picture Rock - Mixture of Gold and Quartz found in gold yielding quartz veins. The mineral Gold is almost always mixed with a small amount of silver, and sometimes contains traces of copper and iron. A Gold nugget is usually 70 - 90 percent gold, and the remainder mostly silver. The color of pure Gold is bright golden yellow, but the greater the silver content, the whiter the color.