Geology

Chapter Quiz for "Chapter 2 - Minerals: Building Blocks of Rocks"
1. Which of the minerals illustrated in the following photograph exhibits cubic cleavage?+ Correct: center
2. A cubic centimeter of quartz and gold weighs 2.7 and about 20 grams respectively. This indicates that __________.+ Correct: gold has a much higher specific gravity than quartz
3. The two major groups of silicate minerals are the ferromagnesian silicates and the nonferromagnesian silicates.- Incorrect: false
4. The most common group of rock-forming minerals is the __________.+ Correct: silicates
5. Granite is a common mineral.+ Correct: false
6. All minerals have a crystal form.+ Correct: true
7. All silicate minerals contain which of the following two elements?+ Correct: silicon, oxygen
8. The ratio of silicon atoms to oxygen atoms is the same in each of the various silicate structures.+ Correct: false
9. Which of these mineral properties may be of minimal value in identifying the mineral quartz?+ Correct: color
10. This mineral exhibits cleavage.+ Correct: false
11. Which one of the following is NOT included in the definition of a mineral?+ Correct: unordered internal structure
12. When minerals break evenly in more than one direction, cleavage is described by the number of planes exhibited and the angles at which they meet.+ Correct: true
13. Most rocks are aggregates of minerals.+ Correct: true
14. Which one of the following sets of two terms describes how a mineral responds to mechanical impact?+ Correct: cleavage, fracture
15. The silicon-oxygen tetrahedron is a complex ion.+ Correct: true