SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Luster
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Color
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Refraction
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Smoothness
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Detailed explanation-1: -lustre, in mineralogy, the appearance of a mineral surface in terms of its light-reflective qualities.
Detailed explanation-2: -Luster is the property of minerals that shows how much or how well the mineral reflects light. Luster may also be spelled lustre. Luster has two main categories: Metallic and Non-metallic. Pyrite, for example, has a metallic luster.
Detailed explanation-3: -Luster: A mineral’s luster is the overall sheen of its surface – it may have the sheen of polished metal, or that of an unpolished metal that is pitted by weathering – or it may have the sheen of glass, or look dull or earthy, etc.
Detailed explanation-4: -Luster describes how a mineral appears to reflects light, and how brilliant or dull the mineral is. The terms used to describe luster are: Metallic (also known as splendent) Submetallic.