Question 1

The silica tetrahedron that forms the backbone of all the silicate minerals is composed of silicon and what other element?

Accepted Answer

A)  magnesium
B)  oxygen
C)  iron
D)  carbonE) All of the above
F) C) and D)

Question 2

Gemstones are commonly found in pegmatites,which are igneous rocks that are ________.

Accepted Answer

A)  exceptionally mafic
B)  extrusive,forming from lava
C)  exceptionally coarse grained
D)  exceptionally fine grainedE) None of the above
F) All of the above

Question 3

The image below shows a mineral specimen of quartz.What is the term for the smoothly curving,clamshell-shaped surface on the sample below?

Accepted Answer

A)  conchoidal fracture
B)  facet
C)  cleavage plane
D)  striationE) None of the above
F) All of the above

Question 4

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

Accepted Answer

A)  polymorphs
B)  polyliths
C)  monoliths
D)  This is not possible.Two minerals cannot have the same chemical formula.E) None of the above
F) A) and B)

Question 5

Natural glass is NOT considered a mineral because it ________.

Accepted Answer

A)  is not produced by geologic processes
B)  is organic
C)  does not have a fixed crystalline structure
D)  can be made synthetically as well as be a naturally occurring substanceE) B) and D)
F) C) and D)

Question 6

The silicates are broken into several groups based on the way the silica tetrahedral are ________.

Accepted Answer

A)  bonded to anions
B)  bonded to iron atoms
C)  arranged and bonded
D)  arranged and chargedE) All of the above
F) A) and C)

Question 7

Which layer of Earth does NOT contain silicates?

Accepted Answer

A)  oceanic crust
B)  upper mantle
C)  outer core
D)  asthenosphereE) B) and C)
F) C) and D)

Question 8

Ore minerals,such as galena,tend to be different from typical minerals (such as quartz) in that they have a ________.

Accepted Answer

A)  very dark color
B)  diamond-like crystal habit
C)  large specific gravity
D)  vitreous lusterE) C) and D)
F) All of the above

Question 9

Which of the following is NOT a way for minerals to crystallize?

Accepted Answer

A)  solidification of a melt (lava/magma) 
B)  bonding carbon to oxygen atoms to form organic compounds
C)  solid-state diffusion
D)  biomineralizationE) C) and D)
F) A) and B)

Question 10

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

Accepted Answer

A)  precipitate from the solution
B)  dissolve into the solution
C)  react with the solution and produce heat
D)  rapidly expand,causing an explosionE) A) and D)
F) None of the above

Question 11

Which of the following is a mineral?

Accepted Answer

A)  granite
B)  cubic zirconia
C)  salt dissolved in water
D)  calciteE) None of the above
F) B) and C)

Question 12

Which of the following minerals is a silicate?

Accepted Answer

A)  galena
B)  olivine
C)  calcite
D)  haliteE) A) and B)
F) A) and C)

Question 13

The color of a mineral in powdered form is termed ________.

Accepted Answer

A)  color
B)  specific gravity
C)  luster
D)  streakE) A) and B)
F) A) and C)

Question 14

Which of the following common minerals is softest?

Accepted Answer

A)  quartz
B)  calcite
C)  talc
D)  fluoriteE) A) and B)
F) None of the above

Question 15

Draw and label a silicon-oxygen tetrahedron.

Accepted Answer

The answer of Draw and label a silicon-oxygen tetrahedron....

Exam 3: Patterns in Nature: Minerals

Ore minerals,such as galena,tend to be different from typical minerals (such as quartz) in that they have a ________.

Correct Answer
verified

Natural glass is NOT considered a mineral because it ________.

Correct Answer
verified

The silicates are broken into several groups based on the way the silica tetrahedral are ________.

Correct Answer
verified

The color of a mineral in powdered form is termed ________.

Correct Answer
verified

Which of the following is a mineral?

Correct Answer
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When a solution becomes oversaturated,new solid particles are said to ________.

Correct Answer
verified

Draw and label a silicon-oxygen tetrahedron.

Correct Answer
verified

Which of the following is NOT a way for minerals to crystallize?

Correct Answer
verified

The silica tetrahedron that forms the backbone of all the silicate minerals is composed of silicon and what other element?

Correct Answer
verified

Gemstones are commonly found in pegmatites,which are igneous rocks that are ________.

Correct Answer
verified

Which layer of Earth does NOT contain silicates?

Correct Answer
verified

Which of the following common minerals is softest?

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

Correct Answer
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Which of the following minerals is a silicate?

Correct Answer
verified

Exam 3: Patterns in Nature: Minerals

Ore minerals,such as galena,tend to be different from typical minerals (such as quartz) in that they have a ________.

Correct AnswerverifiedShow Answer

Natural glass is NOT considered a mineral because it ________.

Correct AnswerverifiedShow Answer

The silicates are broken into several groups based on the way the silica tetrahedral are ________.

Correct AnswerverifiedShow Answer

The color of a mineral in powdered form is termed ________.

Correct AnswerverifiedShow Answer

Which of the following is a mineral?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Draw and label a silicon-oxygen tetrahedron.

Correct AnswerverifiedShow Answer

Which of the following is NOT a way for minerals to crystallize?

Correct AnswerverifiedShow Answer

The silica tetrahedron that forms the backbone of all the silicate minerals is composed of silicon and what other element?

Correct AnswerverifiedShow Answer

Gemstones are commonly found in pegmatites,which are igneous rocks that are ________.

Correct AnswerverifiedShow Answer

Which layer of Earth does NOT contain silicates?

Correct AnswerverifiedShow Answer

Which of the following common minerals is softest?

Correct AnswerverifiedShow Answer

The image below shows a mineral specimen of quartz.What is the term for the smoothly curving,clamshell-shaped surface on the sample below?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following minerals is a silicate?

Correct AnswerverifiedShow Answer

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