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Minerals
Test Description: Properties of Minerals and their formation
Instructions: Answer all questions to get your test result.
1) What is NOT a way that a mineral can be formed?
A
in a naturally-occurring chemical reaction
B
by evaporation
C
in a laboratory
D
during crystallization by magma
2) What is NOT a property of a mineral?
A
It has a crystalline form.
B
It is a solid element or compound.
C
It has a definite chemical composition.
D
It is organic.
3) What is a crystal?
A
The way that a mineral breaks along flat planes.
B
A type of mineral.
C
A solid made of atoms arranged in an orderly fashion.
D
A type of rock.
4) What is one of the better ways to identify most minerals?
A
determining if it reacts with hydrochloric acid
B
using the Mohs scale of hardness
C
checking for magnetism
D
looking at the color.
5) What are two main types of luster?
A
dense and porous
B
coarse and smooth
C
metallic and nonmetallic
D
striated and non-striated
6) What is the name for the color of the powder left behind when a mineral is rubbed across a hard surface?
A
luster
B
tenacity
C
fracture
D
streak
7) What is NOT an example of a mineral?
A
Gold
B
Sulfur
C
Quartz
D
Steel
8) Which mineral property is illustrated by the peeling of muscovite mica into thin, flat sheets?
A
chemical composition
B
density
C
hardness
D
cleavage
9) Scratching a mineral against a glass plate is a method used for determining the mineral's
A
cleavage
B
hardness
C
color
D
luster
10) The physical properties of minerals result from their
A
texture and color of streak
B
internal arrangement of atomsr
C
type of cleavage and hardness
D
density and color
11) Calcite will scratch gypsum. This is an example of the physical characteristics called ____.
A
fracture
B
streak
C
cleavage
D
hardness
12) Which of the following is the LEAST reliable to identify a mineral?
A
density
B
hardness
C
streak color
D
color
13) The tendency of minerals to break with rough or jagged surfaces
A
luster
B
specific gravity
C
cleavage
D
fracture
14) the tendency of a mineral to break along a smooth, flat surface
A
fracture
B
metallic
C
luster
D
cleavage
15) How light is reflected from a mineral
A
color
B
metallic
C
cleavage
D
luster
16) Which of the following is a special property of iron?
A
It is magnetic.
B
It melts at high temperatures.
C
It reacts to hydrochloric acid.
D
It glows under a blacklight.
17) Which of the following is a special property of some minerals?
A
Looking glassy under a light.
B
Bubbling when exposed to hydrochloric acid.
C
breaking in thin, flat sheets
D
making a white streak across a tile.
*select an answer for all questions
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