14 common examples of sulfide and sulfate minerals

14. Common examples of sulfide and sulfate minerals, respectively, are ____.
a. galena and pyrite
b. gypsum and anhydrite
c. galena and gypsum
d. galena and hematite
e. fluorite and pyrite
ANS: C PTS: 1 REF: 3.4. Mineral Groups Recognized by Geologists
15. Which of the following is an example of a mineral resource?
PTS: 1 REF: 3.7. How Do Minerals Form?
16. An example of a material which has been both a resource and a reserve, depending on abundance,
economic conditions, and mining technology is which of the following?
PTS: 1 REF: 3.7. How Do Minerals Form?
17. Placer deposits form because

b. hot fluids travel through bedrock and create mineral veins.
c. minerals with covalent bonds transition to ionic bonding.
d. running water separates and concentrates minerals and rock fragments by their density.
ANS: D PTS: 1 REF: Geo-Insight. The Precious Metals
TRUE/FALSE
1. Ice is a mineral, but water is not.
PTS: 1 REF: 3.1. Introduction
2. Some naturally-occurring minerals have healing properties.
PTS: 1 REF: various
3. All minerals are compounds.
ANS: F PTS: 1 REF: 3.2. Matter--What Is It?
4. Mica and clay minerals have a platy crystal form because they have a sheet-like structure of silica
tetrahedra.
PTS: 1 REF: 3.2. Matter--What Is It?
5. Minerals of the amphibole group have their silica tetrahedra arranged in double chains.
PTS: 1 REF: 3.2. Matter--What Is It?
6. Noble gases are chemically inert because their outer electron shell is filled.
PTS: 1 REF: 3.2. Matter--What Is It?
7. Van der Waals bonds occur between atoms or compounds without free electrons.
PTS: 1 REF: 3.2. Matter--What Is It?
8. The number of neutrons in an atom always equals the number of protons.
PTS: 1 REF: 3.2. Matter--What Is It?
9. Minerals may have chemical compositions that vary within a range.
PTS: 1 REF: 3.3. Explore the World of Minerals
10. Olivine is an example of a mineral with isolated silica tetrahedra.
PTS: 1 REF: 3.4. Mineral Groups Recognized by Geologists
11. Specific gravity is the ratio of a mineral’s weight to the weight of an equal volume of water at 4-
degrees C.
PTS: 1 REF: 3.5. Mineral Identification

12. The United States is self-sufficient in petroleum.
PTS: 1 REF: 3.8. Natural Resources and Reserves
13. The United States is self-sufficient in gold.
PTS: 1 REF: 3.8. Natural Resources and Reserves