The shine of a mineral is described by which term?

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Study for the Earth Science Standards of Learning Test. Use flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your exam efficiently!

Multiple Choice

The shine of a mineral is described by which term?

Explanation:
Luster describes how light reflects off a mineral’s surface, or its shine. This property helps you judge whether a mineral has a metallic look or a nonmetallic one, such as glassy, pearly, or dull shines. Luster is about surface reflection, not the color you see on the surface, the color of the powder, or how easily the mineral scratches. For example, quartz has a glassy (vitreous) luster, while pyrite has a metallic luster.

Luster describes how light reflects off a mineral’s surface, or its shine. This property helps you judge whether a mineral has a metallic look or a nonmetallic one, such as glassy, pearly, or dull shines. Luster is about surface reflection, not the color you see on the surface, the color of the powder, or how easily the mineral scratches. For example, quartz has a glassy (vitreous) luster, while pyrite has a metallic luster.

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