Earth Science Geology, the Environment, and the Universe

Section 2: Types of Minerals

Multiple Choice Quiz

1
What is caused by the presence of trace elements in a mineral?
A)luster
B)streak
C)color
D)hardness
2
A mineral is __________ if it can be mined for profit.
A)an igneous rock
B)an ore
C)a crystal
D)a rock
3
What is the hardness of quartz?
A)2
B)7
C)9
D)4
4
What makes a mineral a gem?
A)its deep color
B)its rarity and beauty
C)its association with native elements
D)its pearly luster
5
A mineral's __________ is the color when it is powdered.
A)hardness
B)streak
C)density
D)luster
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