Which of the following would be MOST likely classified as an olivine?
A colorless mineral with a white streak.
A yellow gemstone with nonmetallic luster.
A purple diamond with metallic luster.
A dense metamorphic rock, which is red in color
Halides, carbonates, and sulfates are all examples of _____.
olivines
non-silicates
sedimentary rocks
silicates
Conchoidal, earthy, and irregular refer to fractures found in _____.
non-silicates
minerals
cleavages
silicates
Which of the following statements is true regarding sedimentary rocks?
Sandstone is a common example of sedimentary rock.
Sedimentary rocks are considered secondary rocks.
Weathered particles can over time form a sedimentary rock.
All of these statements are true.
Which of the following has its own chemical formula?
A mineral.
Both rocks and minerals.
A rock.
None of these answers are correct.
The unique arrangement of atoms present in diamonds represents an important distinction from _____
olivines
rocks
graphite
non-silicates
What type of fracture does quartz exhibit?
Earthy
Perfect
Fibrous
Conchoidal
Why are some drill bits tipped with diamonds?
Diamonds are affordable compared to other materials
Diamonds exhibit cleavage and as a result can drill hard.
Diamond is the hardest natural mineral.
Diamond is the most malleable substance
Minerals that are impenetrable to light are referred to as _____.
transparent
translucent
graphite
opaque
The appearance of a mineral in its powdered form that can also be used to distinguish it from another mineral is referred to as the mineral's _____.
luster
color
streak
gravity
Rocks that are transformed into different rocks under intense heat and pressure are known as _____.
igneous rocks
sedimentary rocks
metamorphic rocks
volcanic rocks
Consider a specimen that has a mass of 20 grams. Calculate its specific gravity if the same volume of water has a mass of 5 grams.
4 grams/cc
100
4
100 grams/cc
Which of the following minerals has the greatest density?
Gold
Galena
Platinum
Graphite
How is the olivine group of silicates different from quartz?
The olivine group of silicate is more abundant
Quartz contains cations;
the olivine group of silicates forms deeper in the earth.
Quartz forms under high pressure and high temperature;
Silicate X has a three-dimensional arrangement of tetrahedra. It is part of a group that can be held together by various cations and is named for the specific cation present. Silicate X is an example of a/an _____.
Olivine
Quartz
Feldspar
Amphibole
