Question

what is lustrous and non lustrous material​

Answer 1

Answer:

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Explanation:

Gold, silver, and copper have metallic luster. Other minerals have a metallic luster as well. Minerals with non-metallic luster can be divided into groups of minerals with earthy, waxy, vitreous (glassy), adamantine (diamond-like), resinous (like resin), pearly, silky, or dull luster.

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Answer 2

Answer:

The materials which have a shiny effect (chamak) by reflection of light are categorised as lustours materials.and non lustrous are just opposite to that.