QUESTION IMAGE
Question
which mineral property can be described as metallic, pearly, greasy, or dull?
o luster
o streak
o fracture
o cleavage
Brief Explanations
Luster describes how a mineral reflects light. It can be metallic (shiny like metal), pearly (like a pearl), greasy (gives an oily - like sheen), or dull (little to no shine). Streak is the color of the powdered mineral, fracture is how a mineral breaks when not along cleavage planes, and cleavage is the tendency of a mineral to break along smooth planes.
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luster