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Minerals
Test Description: Review for minerals test
Instructions: Answer all questions to get your test result.
1) A mineral scratches a penny (3.5) and glass (6.5), what would be the hardness of the mineral?
A
about 5.5
B
about 4
C
about 7
D
about 5
2) Using the hardness scale on the board, apatite would scratch
A
quartz
B
topaz
C
feldspar
D
fluorite
3) Using Mohs Hardness Scale on the board, an iron nail would not scratch
A
quartz
B
calcite
C
gypsum
D
talc
4) Which of the choices is NOT true about a mineral?
A
it has a definite crystal structure
B
it has a definite chemical composition
C
it is a solid
D
it is made in a lab
5) The scale used to measure the hardness of a mineral is
A
the mineral hardness scale
B
Mohs Hardness Scale
C
Fredricks Hardness Scale
D
Mohs Scratch Scale
6) A naturally occurring, inorganic solid with a definite crystal structure chemical make-up is
A
specific gravity
B
a mineral
C
a rock
D
density
7) According to the hardness scale, fluorite can scratch
A
talc, gypsum, and calcite
B
calcite, apatite, and feldspar
C
quartz, feldspar, and apatite
D
apatite, talc, and gypsum
8) Which mineral cannot scratch your fingernail?
A
calcite
B
quartz
C
apatite
D
talc
9) Silky, pearly, dull, waxy and earthy are all examples of
A
luster
B
streak
C
breakage pattern
D
color
10) Quartz (7) can scratch a diamond, apatite, and feldspar.
A
true
B
false
11) The hardest mineral on Mohs Scale is
A
talc
B
diamond
C
feldspar
D
quartz
12) Cleavage/fracture of a mineral tells you
A
streak
B
breakage pattern
C
color
D
hardness
13) An object made in a lab that is solid has a crystal structure. Not a mineral because
A
it is not made naturally
B
it has a definite chemical composition
C
it is a solid
D
it is inorganic
14) The hardness of a mineral can be tested by
A
throwing it against the wall
B
a scratch test
C
hitting it with a hammer
D
stepping on it
15) Color is not a good way to identify minerals because
A
the same mineral can be different colors
B
minerals with different colors break differently
C
most minerals are colorless
D
minerals with the same color have the same hardness
16) Which are ways minerals can be identified?
A
color, shape, size, streak and hardness
B
color, shape, streak, density, and hardness
C
color, streak, size, hardness, and luster
D
color, shape, size, streak and hardness
17) The way light reflects off a mineral is
A
color
B
streak
C
cleavage
D
luster
18) What property would be BEST to identify pyrite (fool's gold) and real gold?
A
hardness
B
color
C
streak
D
density
19) A mineral has a mass of 6.9g and a vol. of 3mL. What is the density of the mineral. (d=m/V)
A
3.2g/mL
B
13.8g/mL
C
21.7g/mL
D
2.3g/mL
20) Quartz and diamond are often mistaken for each other. How can the difference be known?
A
luster
B
hardness
C
scratch
D
color
*select an answer for all questions
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