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What type of silicate is the mineral quartz?


A) chain silicate
B) framework silicate
C) sheet silicate
D) ring silicate.

E) B) and C)
F) C) and D)

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Diamonds are usually found in a rock called


A) graphite.
B) kimberlite.
C) gabbro.
D) diorite.

E) A) and D)
F) All of the above

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Glass and quartz crystals exhibit a smoothly curving,clamshell-shaped fracture pattern termed


A) glassy fracture.
B) conchoidal fracture.
C) one-directional cleavage.
D) obtuse fracture.

E) A) and B)
F) A) and C)

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Which classes do the common minerals quartz and calcite belong to? What are some of the properties that would distinguish quartz from calcite?

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Quartz is a silicate mineral,specificall...

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Hardness refers to a mineral's ability to resist


A) breaking.
B) being scratched.
C) chemically reacting with other substances.
D) weathering.

E) A) and D)
F) A) and C)

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When two different minerals have the same chemical formula but different crystal structures,they are said to be


A) polymorphs.
B) polyliths.
C) monoliths.
D) pseudomorphs.

E) A) and B)
F) A) and C)

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Which of the following minerals is more commonly known as rock salt?


A) gypsum
B) feldspar
C) halite
D) quartz

E) A) and B)
F) A) and C)

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______ is a common mineral that can come in different colors,such as clear,milky,rose,and amethyst.


A) Pyrite
B) Halite
C) Quartz
D) Talc

E) B) and C)
F) All of the above

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How are minerals classified? List the major classes of minerals and their pertinent anions.

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Minerals are classified based on their p...

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The image below shows a mineral with hydrochloric acid applied to it.Based on the reaction and presence of gas bubbles,which of the following minerals is the most likely to be _______? The image below shows a mineral with hydrochloric acid applied to it.Based on the reaction and presence of gas bubbles,which of the following minerals is the most likely to be _______?   A)  quartz B)  halite C)  calcite D)  fluorite


A) quartz
B) halite
C) calcite
D) fluorite

E) A) and B)
F) All of the above

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Some physical properties are more useful for certain minerals than others.Explain how color alone may fail to identify some minerals.

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Color can vary significantly in crystals...

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Minerals are grouped into mineral classes primarily on the basis of


A) chemistry,specifically the cations within the chemical formula.
B) chemistry,specifically the anions within the chemical formula.
C) hardness; hard,soft,and medium are the three primary classes.
D) the number of cleavage directions present.

E) A) and D)
F) A) and C)

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Which of the following is a mineral?


A) petroleum (oil) ,which is a liquid
B) cubic zirconia,which is a synthetic diamond substitute
C) ice,which is water in the solid state
D) obsidian,a type of volcanic glass

E) All of the above
F) A) and B)

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When a solution becomes oversaturated,new solid particles are said to _______


A) precipitate from the solution.
B) dissolve into the solution.
C) react with the solution and produce heat.
D) rapidly expand,causing an explosion.

E) A) and B)
F) A) and C)

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Why are minerals often referred to as "the building blocks of Earth?"

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The Earth is made up of many d...

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What are the ways a mineral can crystallize in nature? List and explain each in some detail.

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Minerals can form during solidification ...

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Crystal habit,such as needle-like,platy,or cubic,depends on _________


A) the color of the mineral's streak.
B) the class the mineral belongs to.
C) the wavelength of light reflected off the mineral surface.
D) the mineral's growth rate in different directions.

E) None of the above
F) All of the above

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Which of the following common minerals is hardest?


A) quartz
B) calcite
C) talc
D) fluorite

E) None of the above
F) All of the above

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Draw and label the atoms in a silicon-oxygen tetrahedron.

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blured image There are four oxygen atoms (...

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What are cleavage and fracture? How are these physical properties similar? How are they different?

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Cleavage and fracture are terms that ref...

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