Question 1

The only sure way to identify a plagioclase feldspar from a potassium feldspar on large enough specimen to see with the naked eye is to ________.

Accepted Answer

A) compare their colours, plagioclase is always darker 
B) find multiple parallel twinning striations on a cleavage face 
C) measure their exact cleavage angles, plagioclases have 120° 
D) find wormy exsolution lamellae going obliquely across the cleavages 
A) compare their colours, plagioclase is always darker 
B) find multiple parallel twinning striations on a cleavage face 
C) measure their exact cleavage angles, plagioclases have 120° 
D) find wormy exsolution lamellae going obliquely across the cleavages

Question 2

Which common rock forming minerals exhibit a perfect single basal cleavage?

Accepted Answer

A) amphiboles like hornblende 
B) feldspars like plagioclase and orthoclase 
C) pyroxenes like augite 
D) micas like muscovite and biotite 
A) amphiboles like hornblende 
B) feldspars like plagioclase and orthoclase 
C) pyroxenes like augite 
D) micas like muscovite and biotite

Question 3

Fill in the table below on silicate minerals.

Accepted Answer

a)none
b)slightly more than 3:

Question 4

Diamonds are hard because all carbon atoms are held together by equally strong ________ bonds arranged in a face centred cubic structure.

Accepted Answer

The answer of Diamonds are hard because all carbon atoms...

Question 5

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A) electron 
B) atom 
C) proton 
D) neutron 
A) electron 
B) atom 
C) proton 
D) neutron

Question 6

________ is the appearance or quality of light reflected from the crystal face of a mineral.

Accepted Answer

The answer of ________ is the appearance or quality of...

Question 7

The quality of light reflected from a mineral surface is called ________.

Accepted Answer

A) translucency 
B) lustre 
C) polish 
D) reflectance 
A) translucency 
B) lustre 
C) polish 
D) reflectance

Question 8

Nonmetallic minerals like halite and gypsum have no industrial uses.

Accepted Answer

A) True 
 B)False

Question 9

Electrically neutral atoms have equal numbers of electrons and protons.

Accepted Answer

A) True 
 B)False

Question 10

When elements or compounds combine in the same proportions but in more than one structural arrangement, relative to each other, those mineral structures are called ________.

Accepted Answer

A) amorphous 
B) bimorphs 
C) isotopes 
D) polymorphs 
A) amorphous 
B) bimorphs 
C) isotopes 
D) polymorphs

Question 11

Considering the composition and structure of Earth discussed in Chapter 1, do you think all of the possible silicate (and even mineral)structures have been identified by scientists? Explain.Also, does this same reasoning apply to all possible chemical elements of Earth?

Accepted Answer

No.Every year new minerals are discovere

Question 12

Real kryptonite is a(n)________ while jadarite is a(n)________.

Accepted Answer

A) mineral, element 
B) metal, rock 
C) meteorite, moon 
D) element, mineral 
A) mineral, element 
B) metal, rock 
C) meteorite, moon 
D) element, mineral

Question 13

Which one of the following is a sodium and calcium feldspar with twinning striations?

Accepted Answer

A) orthoclase 
B) microcline 
C) plagioclase 
D) sanidine 
A) orthoclase 
B) microcline 
C) plagioclase 
D) sanidine

Question 14

Which common group of rock forming minerals has simultaneous double substitution of Na+ for Ca+² and Si+4 for Al+³ in its structure and chemical formula?

Accepted Answer

A) carbonates 
B) micas 
C) plagioclase feldspars 
D) pyroxenes 
A) carbonates 
B) micas 
C) plagioclase feldspars 
D) pyroxenes

Question 15

The main calcium sulphate mineral gypsum is used to ________.

Accepted Answer

A) extract the metal Ca 
B) make cement 
C) make plaster and wallboard 
D) spread directly on soils as a fertilizer 
A) extract the metal Ca 
B) make cement 
C) make plaster and wallboard 
D) spread directly on soils as a fertilizer

Question 16

What are the two most abundant elements, which by themselves account for approximately 75% by weight of the Earth's crust?

Accepted Answer

The answer of What are the two most abundant elements,...

Question 17

The true colour of a mineral as seen in its powdered form is called it's ________.

Accepted Answer

A) birefringence 
B) chatoyancy 
C) iridescence 
D) streak 
A) birefringence 
B) chatoyancy 
C) iridescence 
D) streak

Question 18

________ is the light coloured member of the mica group of sheet silicate minerals.

Accepted Answer

The answer of ________ is the light coloured member of...

Question 19

The property of ________ is controlled by planes of few or weak bonds within the mineral structure.

Accepted Answer

A) absorbency 
B) bondage 
C) cleavage 
D) well formed crystal faces 
A) absorbency 
B) bondage 
C) cleavage 
D) well formed crystal faces

Question 20

Which of the following denotes the purity of gold used in jewelry?

Accepted Answer

A) carnot 
B) carette 
C) karat 
D) carlot 
A) carnot 
B) carette 
C) karat 
D) carlot

The only sure way to identify a plagioclase feldspar from a potassium feldspar on large enough specimen to see with the naked eye is to ________.

Which common rock forming minerals exhibit a perfect single basal cleavage?

Fill in the table below on silicate minerals.

Diamonds are hard because all carbon atoms are held together by equally strong ________ bonds arranged in a face centred cubic structure.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

________ is the appearance or quality of light reflected from the crystal face of a mineral.

The quality of light reflected from a mineral surface is called ________.

Nonmetallic minerals like halite and gypsum have no industrial uses.

Electrically neutral atoms have equal numbers of electrons and protons.

When elements or compounds combine in the same proportions but in more than one structural arrangement, relative to each other, those mineral structures are called ________.

Considering the composition and structure of Earth discussed in Chapter 1, do you think all of the possible silicate (and even mineral)structures have been identified by scientists? Explain.Also, does this same reasoning apply to all possible chemical elements of Earth?

Real kryptonite is a(n) while jadarite is a(n).

Which one of the following is a sodium and calcium feldspar with twinning striations?

Which common group of rock forming minerals has simultaneous double substitution of Na⁺ for Ca⁺² and Si⁺⁴ for Al⁺³ in its structure and chemical formula?

The main calcium sulphate mineral gypsum is used to ________.

What are the two most abundant elements, which by themselves account for approximately 75% by weight of the Earth's crust?

The true colour of a mineral as seen in its powdered form is called it's ________.

________ is the light coloured member of the mica group of sheet silicate minerals.

The property of ________ is controlled by planes of few or weak bonds within the mineral structure.

Which of the following denotes the purity of gold used in jewelry?

An Introduction to Geology and Plate Tectonics

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 2: Minerals: The Building Blocks of Rocks

The only sure way to identify a plagioclase feldspar from a potassium feldspar on large enough specimen to see with the naked eye is to ________.

Which common rock forming minerals exhibit a perfect single basal cleavage?

Fill in the table below on silicate minerals.

Diamonds are hard because all carbon atoms are held together by equally strong ________ bonds arranged in a face centred cubic structure.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

________ is the appearance or quality of light reflected from the crystal face of a mineral.

The quality of light reflected from a mineral surface is called ________.

Nonmetallic minerals like halite and gypsum have no industrial uses.

Electrically neutral atoms have equal numbers of electrons and protons.

When elements or compounds combine in the same proportions but in more than one structural arrangement, relative to each other, those mineral structures are called ________.

Considering the composition and structure of Earth discussed in Chapter 1, do you think all of the possible silicate (and even mineral)structures have been identified by scientists? Explain.Also, does this same reasoning apply to all possible chemical elements of Earth?

Real kryptonite is a(n)________ while jadarite is a(n)________.

Which one of the following is a sodium and calcium feldspar with twinning striations?

Which common group of rock forming minerals has simultaneous double substitution of Na+ for Ca+² and Si+4 for Al+³ in its structure and chemical formula?

The main calcium sulphate mineral gypsum is used to ________.

What are the two most abundant elements, which by themselves account for approximately 75% by weight of the Earth's crust?

The true colour of a mineral as seen in its powdered form is called it's ________.

________ is the light coloured member of the mica group of sheet silicate minerals.

The property of ________ is controlled by planes of few or weak bonds within the mineral structure.

Which of the following denotes the purity of gold used in jewelry?

An Introduction to Geology and Plate Tectonics

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Real kryptonite is a(n) while jadarite is a(n).

Which common group of rock forming minerals has simultaneous double substitution of Na⁺ for Ca⁺² and Si⁺⁴ for Al⁺³ in its structure and chemical formula?