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