Metallic luster refers to the way light casts off of a mineral. Polished metals such as gold have a metallic luster, which makes them look bright and shiny, and reflect more light than other minerals. There are also minerals that have metallic luster, but are not shiny or reflect much light, which is called dull metallic luster.
Metallic luster - bright, shiny Dull metallic luster - not shiny
Polished metals display metallic luster, characterized by a shiny and reflective surface that efficiently reflects light. This luster is a result of the metal's structure and distinguishes metals from non-metallic minerals, which exhibit different types of luster. Understanding this property helps in identifying minerals and understanding their characteristics.
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