Rocks And Minerals Quiz 1
10 Questions
| Total Attempts: 188
Rocks and minerals.
Questions and Answers
- 1.Which of the following minerals is the main constituent of Earth's mantle?
- A.
Olivine
- B.
Biotite
- C.
Feldspar
- D.
Quartz
- E.
Magnetite
- 2.What is considered "low" silica content in a magma melt?
- A.
About 50%
- B.
About 70%
- C.
About 20%
- D.
About 95%
- 3.Which of the following properties would you best use to distinguish halite from calcite?
- A.
Streak
- B.
Color and luster
- C.
Crystal system and cleavage
- D.
Taste
- 4.A mineral will scratch apatite, and is scratched by topaz. Which of the following might it be?
- A.
Olivine
- B.
Fluorite
- C.
Corundum
- D.
Bornite
- 5.Albite is an end member of which mineral group?
- A.
Orthoclase feldspar
- B.
Pyroxene
- C.
Olivine
- D.
Plagioclase feldspar
- 6.Which of the following minerals has NO cleavage, and conchoidal fracture?
- A.
Muscovite
- B.
Quartz
- C.
Calcite
- D.
Halite
- 7.A specimen exhibits strong birefringence, excellent cleavage in three directions, and effervesces when tested with HCl. These are distinguishing characteristics of...
- A.
Calcite
- B.
Halite
- C.
Muscovite
- D.
Pyrite
- 8.Which of the following minerals is an ore of mercury associated with volcanic activity?
- A.
Hematite
- B.
Cinnabar
- C.
Galena
- D.
Epsomite
- 9.Which of the native metals gold, copper and silver is the best conductor (1)? Which is most malleable (2)?
- A.
(1) silver and (2) copper
- B.
(1) copper and (2) copper
- C.
(1) copper and (2) gold
- D.
(1) gold and (2) gold
- E.
(1) silver and (2) gold
- 10.Which of the following sets of minerals are polymorphs of each other?
- A.
Quartz and corundum
- B.
Orthoclase and plagioclase
- C.
Calcite and dolomite
- D.
Calcite and aragonite
- E.
Biotite and muscovite
Are you fascinated with geology and have a passion for all things that involve rocks and minerals? Then take this quiz. Get ready for your knowledge to be tested on various terms and facts on the subject. All the best and enjoy.
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