What is lustre? How can materials be classified based on this property
Answers
Answer:
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Explanation:
Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral. The word traces its origins back to the Latin lux, meaning "light", and generally implies radiance, gloss, or brilliance. A range of terms are used to describe lustre, such as earthy, metallic, greasy, and silky.
Classification of material on the basis of their appearance
Those materials which have shiny appearance are said to have lustre. Some metals like iron, copper ,aluminium often lose their shine and appear dull due to the action of air and moisture on their surface.
Answer:
Materials that have a shiny appearance are said to have ‘lustre’. Metals such as gold, silver, copper and aluminium are among materials that have this quality.