Question

Which property indicates how light is reflected from a mineral’s surface?

cleavage
density
luster
streak

Answer 1

Answer:

Luster is the property indicates how light is reflected from a mineral’s surface.

Answer 2

The correct option is lustre. The property that indicates how light is reflected from a mineral's surface is luster.

• The term lustre describes how light interacts with a mineral's surface either by reflecting or absorbing the light. It can be defined as the type and degree of light reflected off the surface of a mineral.
• Metallic and non-metallic lustre are the two basic types. Metallic lustre usually resembles metal in that it is glossy and reflecting. Depending on the characteristics of the mineral, non-metallic lustre might be described as dull, pearly, glassy, silky or in other ways.
• Geologists can identify a mineral by examining its shine in comparison to recognised minerals which allows them to learn more about the mineral's composition and qualities.

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