7th-8th Ch. 14 Review 2: Question Preview (ID: 31435)


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Which of the following is not a native mineral?
a) platinum b) copper c) quarz d) sulfur
Fool's gold (also called pyrite), which is a mineral of iron and sulfur, is classified as a/an ______.
a) sulfide. b) carbonate. c) silicate. d) oxide.
A green mineral fizzes when a drop of dilute hydrochloric acid is placed on it. You could conclude that the mineral is ____.
a) cuprite (a copper oxide). b) malachite (a copper carbonate). c) chrysocolla (a copper silicate). d) gypsum (a calcium sulfate).
Which of the following minerals has perfect cleavage?
a) pyrite b) quarz c) mica d) magnetite
Obsidian, a mineral of volcanic origin, breaks in smooth, curved surfaces. What type of fracture does it show?
a) hackly b) fibrous c) uneven d) conchoidal
A transparent mineral fluoresces red and exhibits double refraction. You could conclude that the mineral is _______.
a) mica. b) calcite. c) quartz. d) diamond.
The best metallic conductor of electricity is _____.
a) silver. b) chromium. c) copper. d) iron.
A black mineral sample attracts iron filing. You could conclude that the mineral is ______.
a) tourmaline. b) feldspar. c) magnetite. d) smoky quartz.
Lodestone is the same as _________.
a) talc. b) diamond. c) quartz. d) magnetite .
This mineral has a hardness of 1.
a) talc b) diamond c) quartz d) magnetite
This is the hardest natural mineral.
a) talc b) diamond c) quartz d) magnetite
This mineral can be pink, black, white, transparent, violet, blue, or green in color.
a) talc b) diamond c) quartz d) magnetite
This is the only precious metal that readily tarnishes.
a) halite b) asbestos c) silver d) obsidian
This has a silky luster.
a) halite b) asbestos c) silver d) obsidian
This is the bending of light.
a) fracture b) luster c) florescence d) refraction
This is determined by the way light is reflected.
a) fracture b) luster c) florescence d) refraction
Glows only when illuminated by ultraviolet light
a) fracture b) luster c) florescence d) refraction
Which of the following is a mixture?
a) seawater b) copper c) sand (silicon dioxide) d) diamond
The country that produces more diamonds than any other is ____________.
a) The United States b) South Korea c) Russia d) Australia
If a mineral produces flat surfaces when it breaks, then it exhibits ___________.
a) density. b) cleavage. c) hardness. d) streak.
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