Sure! Here are the definitions matched with the correct vocabulary words:
- Streak - The color of the powder left behind when a mineral is rubbed on a piece of unglazed porcelain.
- Mineral - A naturally occurring inorganic substance with a definite chemical composition and crystal structure.
- Luster - The way a mineral reflects light, often described as metallic, glassy, pearly, or dull.
- Cleavage - The tendency of a mineral to break along flat, even surfaces.
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