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- 1. Multiple Choice
Which mineral is mined for its iron content?
hematite
fluorite
galena
talc
- 2. Multiple Choice
Which element, found in both biotite mica and muscovite mica, makes up the greatest percent by volume of Earth's crust?
nitrogen
oxygen
potassium
silicon
- 3. Multiple Choice
Which material is made mostly of the mineral quartz?
sulfuric acid
pencil lead
plaster of paris
window glass
- 4. Multiple Choice
Which mineral is the major component of drywall?
talc
calcite
muscovite mica
selenite gypsum
- 5. Multiple Choice
The table shows some properties of four different minerals. The minerals listed in the table are varieties of which mineral?
garnet
magnetite
quartz
olivine
- 6. Multiple Choice
Which mineral has a different common color from its color in powdered form?
brucite
canallite
magnesite
olivine
- 7. Multiple Choice
Which mineral might scratch the mineral fluorite, but would not scratch the mineral amphibole?
brucite
magnesite
carnallite
olivine
- 8. Multiple Choice
Which two minerals have compositions that are most similar to calcite?
brucite and carnallite
carnallite and dolomite
dolomite and magnesite
magnesite and olivine
- 9. Multiple Choice
The minerals talc, muscovite mica, quartz, and olivine are similar because they
have same hardness
are the same color
contain silicon and oxygen
break along cleavage planes
- 10. Multiple Choice
Which mineral is commonly mined as a source of the element lead (Pb)?
galena
quartz
magnetite
gypsum
- 11. Multiple Choice
Which property is most useful in distinguishing pyroxene from amphibole?
sample size
hardness
types of luster
angles of cleavage
- 12. Multiple Choice
The diagrams show the crystal shapes of two minerals.
Quartz and halite have different crystal shapes primarily because
light reflects from crystal surfaces
energy is released during crystallization
of impurities that produce surface variations
of the internal arrangement of the atoms
- 13. Multiple Choice
Differences in hardness between minerals are most likely caused by the
internal arrangement of atoms
external arrangement of flat surfaces
number of pointed edges
member of cleavage planes
- 14. Multiple Choice
The diagrams represent the crystal shape and type of cleavage of two different minerals. The crystal shape and type of cleavage of these two minerals are determined mainly by the minerals'
color and type of luster
streak and hardness
composition and atomic arrangement
density and magnetism
- 15. Multiple Choice
The diagram represents the mass and volume of a mineral sample being measured. These measurements were used to determine the density of the mineral sample. What is the density of this mineral sample?
6 g/mL
24 g/mL
34 g/mL
60 g/mL
- 16. Multiple Choice
A human fingernail has a hardness of approximately 2.5. Which two minerals are softer than a human fingernail?
calcite and halite
sulfur and fluorite
graphite and talc
pyrite and magnetite
- 17. Multiple Choice
The internal atomic structure of a mineral most likely determines the mineral's
color, streak, and age
origin, exposure, and fracture
size, location, and luster
hardness, cleavage, and crystal shape
- 18. Multiple Choice
The diagram show the crystal shapes of two minerals. Quartz and halite have different crystal shapes primarily because
light reflects from crystal surfaces
energy is released during crystallization
of impurities that produce surface variations
of the internal arrangement of the atoms
- 19. Multiple Choice
Which model best represents the silicon-oxygen tetrahedron?
- 20. Multiple Choice
Minerals are identified on the basis of
the method by which they were formed
the type of rock in which they are found
the size of their crystals
their physical and chemical properties
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