GENERAL GEOLOGY

Detailed explanation-1: -Luster is how a mineral reflects light. The terms metallic and nonmetallic describe the basic types of luster.

Detailed explanation-2: -Answer and Explanation: The mineral property that describes the way a mineral reflects light is called luster. The luster of a mineral can be described as its dullness or shine. When scientists are trying to identify minerals, they look at several properties including luster, hardness, and shape.

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: -In an introductory course, luster is a described as a property of light reflection that separates metallic from non-metallic minerals. Determining luster can be difficult for a beginner.

Detailed explanation-5: -Luster describes how the mineral reflects light. Metallic luster looks like a shiny metal such as chrome, steel, silver, or gold. Metallic minerals are also always opaque. Non-metallic minerals may be shiny and reflect light, however, they do not look like a metal.