Earth Science Lab Final Exam Questions
With Correct Answers
__________________ refers to the tendency of some minerals to break | | | | | | | | | |
along flat surfaces. - CORRECT ANSWER✔✔-Cleavage
| | | | |
__________________ refers to the characteristic shapes and patterns of | | | | | | | |
crystal growth. - CORRECT ANSWER✔✔-Habit
| | | | |
__________________ refers to the resistance of a mineral to scratching. | | | | | | | | |
- CORRECT ANSWER✔✔-Hardness
| | |
Which term best describes the luster of the mineral in the figure below?
| | | | | | | | | | | |
(Kaolinite) - CORRECT ANSWER✔✔-Non-Metallic (dull earthy)
| | | | | |
Which term best describes the luster of the mineral in the figure below?
| | | | | | | | | | | |
(Pyrite) - CORRECT ANSWER✔✔-Metallic
| | | |
When broken, the mineral in the figure exhibits ________ directions of
| | | | | | | | | | |
cleavage. (Quartz) - CORRECT ANSWER✔✔-0
| | | |
, The mineral in the figure exhibits ________ directions of cleavage.
| | | | | | | | | |
(Calcite) - CORRECT ANSWER✔✔-3 at other than 90 degrees
| | | | | | | |
you are testing the hardness of an unknown mineral. You cannot scratch
| | | | | | | | | | |
it with your fingernail, but
| | | | |
it will not scratch glass. Next, you try a copper penny which scratches
| | | | | | | | | | | | |
the surface of the mineral. The
| | | | |
hardness of this mineral is __________ . - CORRECT ANSWER✔✔-3
| | | | | | | | |
The most abundant mineral group, found in many igneous, sedimentary,
| | | | | | | | |
and metamorphic rocks is ___________________ . - CORRECT
| | | | | | | | |
ANSWER✔✔-The feldspar group | |
Identify the mineral with the following physical properties: Nonmetallic
| | | | | | | | |
vitreous luster; Harder than a | | | |
fingernail; Does not scratch glass; 3 directions of cleavage at 90°. -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-Halite |
If you are given samples of calcite and fluorite, how would you
| | | | | | | | | | | |
distinguish between them? (Choose | | |
all that apply) - CORRECT ANSWER✔✔-The one with 3 directions of
| | | | | | | | | | |
cleavage is calcite | |
With Correct Answers
__________________ refers to the tendency of some minerals to break | | | | | | | | | |
along flat surfaces. - CORRECT ANSWER✔✔-Cleavage
| | | | |
__________________ refers to the characteristic shapes and patterns of | | | | | | | |
crystal growth. - CORRECT ANSWER✔✔-Habit
| | | | |
__________________ refers to the resistance of a mineral to scratching. | | | | | | | | |
- CORRECT ANSWER✔✔-Hardness
| | |
Which term best describes the luster of the mineral in the figure below?
| | | | | | | | | | | |
(Kaolinite) - CORRECT ANSWER✔✔-Non-Metallic (dull earthy)
| | | | | |
Which term best describes the luster of the mineral in the figure below?
| | | | | | | | | | | |
(Pyrite) - CORRECT ANSWER✔✔-Metallic
| | | |
When broken, the mineral in the figure exhibits ________ directions of
| | | | | | | | | | |
cleavage. (Quartz) - CORRECT ANSWER✔✔-0
| | | |
, The mineral in the figure exhibits ________ directions of cleavage.
| | | | | | | | | |
(Calcite) - CORRECT ANSWER✔✔-3 at other than 90 degrees
| | | | | | | |
you are testing the hardness of an unknown mineral. You cannot scratch
| | | | | | | | | | |
it with your fingernail, but
| | | | |
it will not scratch glass. Next, you try a copper penny which scratches
| | | | | | | | | | | | |
the surface of the mineral. The
| | | | |
hardness of this mineral is __________ . - CORRECT ANSWER✔✔-3
| | | | | | | | |
The most abundant mineral group, found in many igneous, sedimentary,
| | | | | | | | |
and metamorphic rocks is ___________________ . - CORRECT
| | | | | | | | |
ANSWER✔✔-The feldspar group | |
Identify the mineral with the following physical properties: Nonmetallic
| | | | | | | | |
vitreous luster; Harder than a | | | |
fingernail; Does not scratch glass; 3 directions of cleavage at 90°. -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-Halite |
If you are given samples of calcite and fluorite, how would you
| | | | | | | | | | | |
distinguish between them? (Choose | | |
all that apply) - CORRECT ANSWER✔✔-The one with 3 directions of
| | | | | | | | | | |
cleavage is calcite | |
