Question 1

Diamonds are usually found in ________.

Accepted Answer

A) graphite 
B) kimberlite 
C) metamorphic rocks 
D) sedimentary rocks 
A) graphite 
B) kimberlite 
C) metamorphic rocks 
D) sedimentary rocks B

Question 2

Using the Mohs hardness scale below,which of the following statements is FALSE?

Accepted Answer

A) Your fingernail can scratch a sample of gypsum. 
B) Diamonds are twice as hard as apatite. 
C) Diamonds are more than seven times as hard as quartz. 
D) Quartz cannot scratch anything made of diamond. 
A) Your fingernail can scratch a sample of gypsum. 
B) Diamonds are twice as hard as apatite. 
C) Diamonds are more than seven times as hard as quartz. 
D) Quartz cannot scratch anything made of diamond. B

Question 3

Which of the following is considered a gem?

Accepted Answer

A) clay 
B) feldspar 
C) garnet 
D) gold 
A) clay 
B) feldspar 
C) garnet 
D) gold C

Question 4

A facet is a ________ on a gem.

Accepted Answer

A) polished surface 
B) cleavage plane 
C) small impurity 
D) crystal face 
A) polished surface 
B) cleavage plane 
C) small impurity 
D) crystal face

Question 5

With regard to minerals,hardness refers to the ability to resist ________.

Accepted Answer

A) breaking 
B) being scratched 
C) chemical reactions with other substances 
D) bending 
A) breaking 
B) being scratched 
C) chemical reactions with other substances 
D) bending

Question 6

Minerals are grouped into mineral classes primarily on a basis of ________.

Accepted Answer

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 
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

Question 7

Which of the following is a mineral?

Accepted Answer

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 
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

Question 8

In which type of silicate are the greatest proportion of oxygen atoms shared by pairs of adjacent tetrahedra?

Accepted Answer

A) chain silicates 
B) framework silicates 
C) sheet silicates 
D) Sharing of oxygen atoms does not occur in silicates. 
A) chain silicates 
B) framework silicates 
C) sheet silicates 
D) Sharing of oxygen atoms does not occur in silicates.

Question 9

The mineral class that makes up more than 95% of the continental crust is termed the ________.

Accepted Answer

A) silicates 
B) carbonates 
C) halides 
D) oxides 
A) silicates 
B) carbonates 
C) halides 
D) oxides

Question 10

The ________ class of minerals contains the anion S⁻².

Accepted Answer

A) oxides 
B) halides 
C) sulfides 
D) sulfates 
A) oxides 
B) halides 
C) sulfides 
D) sulfates

Question 11

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

Accepted Answer

Earth is made of many differen

Question 12

The ________ class of minerals includes a substance commonly known as rust.

Accepted Answer

A) oxides 
B) carbonates 
C) halides 
D) silicates 
A) oxides 
B) carbonates 
C) halides 
D) silicates

Question 13

Which of the following is NOT a mineral?

Accepted Answer

A) quartz 
B) diamond 
C) petroleum 
D) gold 
A) quartz 
B) diamond 
C) petroleum 
D) gold

Question 14

The framework silicates are the most complicated because they ________.

Accepted Answer

A) contain silica tetrahedral 
B) have crystal lattices 
C) produce flat sheets 
D) share all four oxygen 
A) contain silica tetrahedral 
B) have crystal lattices 
C) produce flat sheets 
D) share all four oxygen

Question 15

Which of the following is NOT true about minerals?

Accepted Answer

A) All minerals are compounds of more than one element. 
B) All minerals are naturally made. 
C) Some minerals are precipitated by organisms. 
D) All minerals can be expressed as chemical formulas. 
A) All minerals are compounds of more than one element. 
B) All minerals are naturally made. 
C) Some minerals are precipitated by organisms. 
D) All minerals can be expressed as chemical formulas.

Question 16

The image below shows a mineral with hydrochloric acid applied to it.What mineral is this?

Accepted Answer

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

Question 17

Some physical properties are more useful for certain minerals than others.Explain how color can be useful to identify some minerals but not others.Be sure to use mineral examples in your answer.

Accepted Answer

Some minerals,like olivine,are

Question 18

Why are diamonds used in saw blades not nearly as expensive as diamonds used in jewelry?

Accepted Answer

A) They are neither rare nor beautiful. 
B) They are beautiful but very common. 
C) They are actually man-made diamonds. 
D) They are the cuttings from gems. 
A) They are neither rare nor beautiful. 
B) They are beautiful but very common. 
C) They are actually man-made diamonds. 
D) They are the cuttings from gems.

Question 19

Which of the images below shows a gem?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 20

Cleavage in minerals refers to ________.

Accepted Answer

A) a tendency to break in an irregular pattern 
B) a tendency to break along planes of weakness 
C) the sharpness of edges between crystal faces 
D) the development of well-formed crystal faces 
A) a tendency to break in an irregular pattern 
B) a tendency to break along planes of weakness 
C) the sharpness of edges between crystal faces 
D) the development of well-formed crystal faces

Exam 3: Patterns in Nature: Minerals

Diamonds are usually found in ________.

Using the Mohs hardness scale below,which of the following statements is FALSE?

Which of the following is considered a gem?

A facet is a ________ on a gem.

With regard to minerals,hardness refers to the ability to resist ________.

Minerals are grouped into mineral classes primarily on a basis of ________.

Which of the following is a mineral?

In which type of silicate are the greatest proportion of oxygen atoms shared by pairs of adjacent tetrahedra?

The mineral class that makes up more than 95% of the continental crust is termed the ________.

The ________ class of minerals contains the anion S⁻².

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

The ________ class of minerals includes a substance commonly known as rust.

Which of the following is NOT a mineral?

The framework silicates are the most complicated because they ________.

Which of the following is NOT true about minerals?

The image below shows a mineral with hydrochloric acid applied to it.What mineral is this?

Some physical properties are more useful for certain minerals than others.Explain how color can be useful to identify some minerals but not others.Be sure to use mineral examples in your answer.

Why are diamonds used in saw blades not nearly as expensive as diamonds used in jewelry?

Which of the images below shows a gem?

Cleavage in minerals refers to ________.

The Earth in Context

The Way the Earth Works: Plate Tectonics

Up From the Inferno: Magma and Igneous Rocks

The Wrath of Vulcan: Volcanic Eruptions

Pages of Earth S Past: Sedimentary Rocks

Metamorphism: A Process of Change

A Violent Pulse: Earthquakes

Crags, cracks, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Riches in Rock: Energy and Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: The Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

Dry Regions: The Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

Interlude A: Rock Groups

Interlude B: A Surface Veneer: Sediments and Soils

Interlude C: The Rock Cycle

Interlude D: The Earth S Interior Revisited: Insights From Geophysics

Interlude E: Memories of Past Life: Fossils and Evolution

Interlude F: An Introduction to Landscapes and the Hydrologic Cycle

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