A lustrous appearance means the material has a shiny surface that reflects light, which is a characteristic commonly found in metals.
Class VI NCERT Book Curiosity Science Session 2024-2025.
What does it mean for a material to have a lustrous appearance?
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A material with a lustrous appearance reflects light in a way that creates a shiny, glossy surface. This quality is often associated with metals and certain minerals, giving them a smooth, radiant look that enhances their visual appeal and brightness.