Question 1

Ferromagnesian minerals are those that contain a great deal of ________.

Accepted Answer

A) manganese and iron 
B) potassium and aluminum 
C) magnesium and iron 
D) calcium and silicon

Question 2

Assuming well-formed crystals, how many cleavage surfaces are present on the sample in this image? (Note: Cleavage surfaces are not cleavage planes.)

Accepted Answer

The answer of  Assuming well-formed crystals, how many cleavage...

Question 3

Limestone is a sedimentary rock that is found over large areas of the United States.Using this information, explain what the environment of deposition was like at the time of limestone formation and how the mineral in the limestone formed?

Accepted Answer

The answer of Limestone is a sedimentary rock that is...

Question 4

The addition of which of the following will control a mineral's color?

Accepted Answer

A) Water 
B) Biologic secretions 
C) Pigment 
D) Trace elements

Question 5

Silica tetrahedra are able to link into long chains that share oxygen ions through the process of ________.

Accepted Answer

A) isolation 
B) precipitation 
C) fission 
D) polymerization

Question 6

Which kind of mineral tenacity refers to a mineral being deformed by being hammered without breaking?

Accepted Answer

A) Malleable 
B) Sectile 
C) Fibrous 
D) Elastic

Question 7

Which of the following materials will form through evaporation?

Accepted Answer

A) Feldspars 
B) Geodes 
C) Salt 
D) Limestone

Question 8

Consider the definition of a mineral.Why would a synthetic gemstone fail this definition and not be considered a true mineral?

Accepted Answer

The answer of Consider the definition of a mineral.Why would...

Question 9

Which of the following is not part of the definition of a mineral?

Accepted Answer

A) Naturally occurring 
B) Organic 
C) Orderly crystalline structure 
D) Definite chemical composition

Question 10

Certain diamond companies use the advertising slogan "Diamonds are forever." Why, from a geologic perspective, might this not be accurate?

Accepted Answer

The answer of Certain diamond companies use the advertising slogan...

Question 11

________ is the study of mineral materials.

Accepted Answer

A) Mineralogy 
B) Lithology 
C) Mineralosophy 
D) Historical Geology

Question 12

Why will an iron-rich olivine have a higher density than a magnesium-rich olivine?

Accepted Answer

A) More magnesium is needed to equal the same atomic charge as iron. 
B) Iron-rich olivine has smaller crystals, so more of them will fit into the same area. 
C) Magnesium-rich olivine has more silicon, which is less dense. 
D) Iron has a greater atomic mass than magnesium and therefore is heavier.

Question 13

What is the charge of a single proton?

Accepted Answer

A) +1 
B) -1 
C) +2 
D) -3

Question 14

Explain how differences in molecular bonds in minerals can result in cleavage versus fracture.

Accepted Answer

The answer of Explain how differences in molecular bonds in...

Exam 3: Matter and Minerals