第二章测试1.
Quartz exhibits conchoidal fracture.
A:错 B:对
答案:B
2.
The hardness of mica is （ ）.
A:4-5
B:1-2 C:3-4 D:2-3
3.
Galena exhibits perfect cleavage.
A:对 B:错 4.
Olivine crystals normally form granular habit.
A:错 B:对 5.
Cleavage angle of pyroxenes is about 78°/93°.
A:错 B:对
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