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