Earth Science: Earth Materials and Processes, Book F

Chapter 1: Minerals

Minerals

1
Which is an example of a mineral with a nonmetallic luster?
A)gold
B)quartz
C)graphite
D)pyrite
2
You find a red gemstone that is from Sri Lanka. What gem is this most likely?
A)emerald
B)topaz
C)ruby spinel
D)sapphire
3
What is the easiest way to tell if a sample is gold or pyrite?
A)luster
B)hardness
C)appearance
D)streak
4
Why are gems valuable?
A)They are crystals.
B)They are minerals.
C)They are hard.
D)They are rare.
5
Common physical properties of minerals include all of the following except __________.
A)hardness
B)specific gravity
C)appearance
D)flammability
6
Amethyst is a variation of which mineral?
A)garnet
B)quartz
C)diamond
D)topaz
7
Whether a mineral has cleavage or fracture is determined by the __________.
A)arrangement of its atoms
B)specific gravity
C)shape of its surface
D)hardness of the mineral
8
Which is an industrial use of diamonds?
A)in watches
B)in lasers
C)as cutting tools
D)in jewelry
9
The specific gravity of a mineral compares its weight with an equal volume of __________.
A)rock
B)water
C)air
D)diamond
10
The Hope diamond, which is now at the Smithsonian, is said to __________.
A)be one of the smallest diamonds in the world
B)bring its owner good fortune
C)bring its owner bad luck
D)be an impure diamond
11
Streak measures the color of a mineral's __________.
A)surface
B)powder
C)crystals
D)atoms
12
Where do most useful minerals occur in nature?
A)in freshwater
B)in ores
C)in seawater
D)in volcanoes
13
All of the following are some other property used to identify minerals except __________.
A)boiling point
B)reaction to hydrochloric acid
C)the ability for the mineral to create a double image
D)magnetism
14
Some gems have __________.
A)a low Mohs number
B)fracture
C)a crystalline structure
D)no color
15
Metallic elements dissolved in fluids form in __________.
A)ponds
B)magma
C)ores
D)veins
16
What are the two most common elements in minerals?
A)iron and oxygen
B)oxygen and silicon
C)carbon and silicon
D)oxygen and sulfur
17
Titanium is useful because it has __________.
A)a high density and low durability
B)a low Mohs number
C)a low density and high durability
D)a colorless streak
18
Large crystals can form when magma __________.
A)cools quickly
B)melts
C)cools slowly
D)erupts from a volcano
19
The hardest mineral, with a 10 on the Mohs scale, is __________.
A)diamond
B)iron
C)talc
D)quartz
20
A mineral that is hard __________.
A)will not break
B)can be scratched with your fingernail
C)is hard to scratch
D)will not shatter
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