Is gold dull or shiny?

Gold has a shiny, metallic luster

Gold is one of the shiniest and lustrous metals. When polished, gold can achieve an extremely high reflectivity and shine. Here are some key facts about gold’s distinctive appearance:

• Gold has a visible shine or luster even when unpolished. This brilliant metallic glow sets it apart from duller minerals.
• The shiny surface of gold comes from its electronic structure. The sea of free electrons in the gold atoms creates its glowing metallic sheen.
• Polished gold surfaces can attain nearly 100% reflectance of visible light. 14k or 18k gold jewelry is often polished to maximize shine.
• Gold jewelry or decorative objects maintain their shine and luster indefinitely. Gold resists tarnish and oxidation under normal conditions.
• Alloying gold with other metals like silver, copper, or palladium can alter its color but generally retains the metallic brilliance.

So in summary, gold possesses an intrinsically strong reflective surface shine and metallic luster. This beautiful shininess is part of what makes gold such a prized metal worldwide. Gold’s luminous glow has adorned jewelry and artifacts for thousands of years.