A student sorted mineral samples into two groups: dull and shiny. Which of the following properties did the student use to sort the mineral samples into groups?Select one:streakhighlight_offlusterhighlight_offmasshighlight_offcolorhighlight_off
Question
A student sorted mineral samples into two groups: dull and shiny. Which of the following properties did the student use to sort the mineral samples into groups?Select one:streakhighlight_offlusterhighlight_offmasshighlight_offcolorhighlight_off
Solution
The student used the property of "luster" to sort the mineral samples into groups. Luster refers to the way light interacts with the surface of a mineral. This property can be described as metallic or nonmetallic, and within nonmetallic lusters, further described as dull, pearly, silky, or glassy. So in this case, the student sorted the minerals based on whether they had a dull or shiny (a type of luster) appearance.
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