Question 1

Calcite (CaCO3) is in which mineral class?

Accepted Answer

A)   silicates
B)   carbonates
C)   oxides
D)   sulfidesE) A) and C)
F) B) and C) B

Question 2

The atomic number of an element corresponds to the

Accepted Answer

A)   number of electrons.
B)   number of protons.
C)   number of neutrons.
D)   total weight of one atom.E) C) and D)
F) None of the above

Question 3

How are diamonds formed?

Accepted Answer

Diamonds are typically found in kimberli...

Question 4

Minerals that do not possess cleavage are said to possess

Accepted Answer

A)   invulnerability.
B)   fracture.
C)   solidity.
D)   massiveness.E) B) and D)
F) B) and C)

Question 5

Draw and label a silicon-oxygen tetrahedron.

Accepted Answer

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

Question 6

The image below shows a mineral specimen of pyrite.What is the term for the thin parallel corrugations or stripes shown on the crystal faces below?

Accepted Answer

A)   conchoidal fractures
B)   facets
C)   cleavage planes
D)   striationsE) A) and B)
F) A) and C)

Question 7

Some physical properties are more useful for certain minerals than others.Explain how color may NOT be useful to identify some minerals.

Accepted Answer

Color can vary significantly in crystals...

Question 8

In silicate minerals,the SiO4 tetrahedron can be chemically bonded to form all of the following EXCEPT

Accepted Answer

A)   sheets.
B)   independent tetrahedra.
C)   double chains.
D)   triple chains.E) B) and C)
F) A) and C)

Question 9

Which of the following are good conductors due to the ability of the electrons in the atoms to move around freely?

Accepted Answer

A)   native metals
B)   sulfides
C)   silicates
D)   carbonatesE) B) and D)
F) A) and C)

Question 10

Diamonds are usually found in a rock called

Accepted Answer

A)   graphite.
B)   kimberlite.
C)   gabbro.
D)   diorite.E) None of the above
F) A) and C)

Question 11

Trace amounts of impurity can produce significant differences in ________ among individual crystals of a mineral species.

Accepted Answer

A)   color
B)   cleavage
C)   luster
D)   streakE) B) and C)
F) A) and B)

Question 12

Minerals in geodes (as seen below) form spectacular euhedral crystals because

Accepted Answer

A)   all of the elements incorporated in the crystals are in plentiful supply.
B)   the crystals have abundant room to grow in their hollow surroundings.
C)   minerals within geodes are always framework silicates.
D)   minerals within geodes always contain iron.E) C) and D)
F) B) and C)

Question 13

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 will scratch anything made of steel.E) C) and D)
F) B) and D)

Question 14

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 this most likely to be?

Accepted Answer

A)   quartz
B)   halite
C)   calcite
D)   fluoriteE) All of the above
F) A) and B) C

Question 15

In which type of silicates 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)   ring silicates.E) A) and C)
F) B) and D)

Question 16

Which common gemstone results from biomineralization?

Accepted Answer

A)   diamond
B)   garnet
C)   pearl
D)   sapphireE) C) and D)
F) B) and D)

Question 17

Silicate minerals are subdivided into six groups based on the way silica tetrahedra are

Accepted Answer

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

Question 18

Of the ~4,000 known minerals,the vast majority

Accepted Answer

A)   are common.
B)   are rare.
C)   form only near volcanoes.
D)   are characterized as gems.E) C) and D)
F) B) and C)

Question 19

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 glassE) A) and C)
F) None of the above C

Question 20

Diamond is a polymorph of graphite.What is a polymorph,and explain how graphite is different from a diamond.

Accepted Answer

Polymorphs are minerals that have the sa...

Exam 5: Patterns in Nature: Minerals

Calcite (CaCO₃) is in which mineral class?

Correct Answer
verified
B

The atomic number of an element corresponds to the

Correct Answer
verified

How are diamonds formed?

Correct Answer
verified
Diamonds are typically found in kimberli...
View Answer

Minerals that do not possess cleavage are said to possess

Correct Answer
verified

Draw and label a silicon-oxygen tetrahedron.

Correct Answer
verified

Correct Answer
verified

Some physical properties are more useful for certain minerals than others.Explain how color may NOT be useful to identify some minerals.

Correct Answer
verified
Color can vary significantly in crystals...
View Answer

In silicate minerals,the SiO₄ tetrahedron can be chemically bonded to form all of the following EXCEPT

Correct Answer
verified

Which of the following are good conductors due to the ability of the electrons in the atoms to move around freely?

Correct Answer
verified

Diamonds are usually found in a rock called

Correct Answer
verified

Trace amounts of impurity can produce significant differences in ________ among individual crystals of a mineral species.

Correct Answer
verified

Minerals in geodes (as seen below) form spectacular euhedral crystals because

Correct Answer
verified

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

Correct Answer
verified

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 this most likely to be?

Correct Answer
verified
C

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

Correct Answer
verified

Which common gemstone results from biomineralization?

Correct Answer
verified

Silicate minerals are subdivided into six groups based on the way silica tetrahedra are

Correct Answer
verified

Of the ~4,000 known minerals,the vast majority

Correct Answer
verified

Which of the following is a mineral?

Correct Answer
verified
C

Diamond is a polymorph of graphite.What is a polymorph,and explain how graphite is different from a diamond.

Correct Answer
verified
Polymorphs are minerals that have the sa...
View Answer

Exam 5: Patterns in Nature: Minerals

Calcite (CaCO3) is in which mineral class?

Correct AnswerverifiedB

The atomic number of an element corresponds to the

Correct AnswerverifiedShow Answer

How are diamonds formed?

Correct AnswerverifiedDiamonds are typically found in kimberli...View AnswerShow Answer

Minerals that do not possess cleavage are said to possess

Correct AnswerverifiedShow Answer

Draw and label a silicon-oxygen tetrahedron.

Correct AnswerverifiedShow Answer

The image below shows a mineral specimen of pyrite.What is the term for the thin parallel corrugations or stripes shown on the crystal faces below?

Correct AnswerverifiedShow Answer

Some physical properties are more useful for certain minerals than others.Explain how color may NOT be useful to identify some minerals.

Correct AnswerverifiedColor can vary significantly in crystals...View AnswerShow Answer

In silicate minerals,the SiO4 tetrahedron can be chemically bonded to form all of the following EXCEPT

Correct AnswerverifiedShow Answer

Which of the following are good conductors due to the ability of the electrons in the atoms to move around freely?

Correct AnswerverifiedShow Answer

Diamonds are usually found in a rock called

Correct AnswerverifiedShow Answer

Trace amounts of impurity can produce significant differences in ________ among individual crystals of a mineral species.

Correct AnswerverifiedShow Answer

Minerals in geodes (as seen below) form spectacular euhedral crystals because

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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 this most likely to be?

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Which common gemstone results from biomineralization?

Correct AnswerverifiedShow Answer

Silicate minerals are subdivided into six groups based on the way silica tetrahedra are

Correct AnswerverifiedShow Answer

Of the ~4,000 known minerals,the vast majority

Correct AnswerverifiedShow Answer

Which of the following is a mineral?

Correct AnswerverifiedC

Diamond is a polymorph of graphite.What is a polymorph,and explain how graphite is different from a diamond.

Correct AnswerverifiedPolymorphs are minerals that have the sa...View AnswerShow Answer

Calcite (CaCO₃) is in which mineral class?

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified
Diamonds are typically found in kimberli...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Color can vary significantly in crystals...
View Answer

In silicate minerals,the SiO₄ tetrahedron can be chemically bonded to form all of the following EXCEPT

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified
Polymorphs are minerals that have the sa...
View Answer