CS 1 Flashcards
1
Q
Most gems are
A. rocks.
B. organic.
C. minerals.
D. synthetic.
A
C. Minerals
2
Q
Synthetic gem materials
A. are organic.
B. are not minerals.
C. are usually amorphous.
D. are classified as minerals.
A
B. are not minerals
3
Q
Media attention in the 1990s regarding its treatment reduced consumer confidence in
A. spinel.
B. emerald.
C. rhodolite.
D. tanzanite.
A
B. emerald.
4
Q
A substance that consists of atoms of only one kind is a
A. mineral.
B. unit cell.
C. gem species.
D. chemical element.
A
D. chemical element
5
Q
- A broad gem category based on chemical composition and crystal structure is a
A. rock.
B. group.
C. gem variety.
D. gem species.
A
D. gem species.
6
Q
- A gem produced by, or derived from, a living organism is
A. synthetic.
B. manmade.
C. organic.
D. inorganic.
A
C. organic
7
Q
- The world’s largest gem-consuming market is
A. Japan.
B. Europe.
C. Thailand.
D. the United States.
A
D. the United States.
8
Q
- Which of the following is an organic gem?
A. Jade
B. Ruby
C. Amber
D. Tourmaline
A
C. Amber
9
Q
- A natural, inorganic substance with a characteristic chemical composition and usually characteristic crystal structure is a(n)
A. atom.
B. mineral.
C. synthetic.
D. chemical element.
A
B. mineral.
10
Q
- Which group does almandine belong to?
A. Spinel
B. Garnet
C. Feldspar
D. Tourmaline
A
B. Garnet
11
Q
- Many colored stones are mined by
A. large corporations.
B. massive industrial operations.
C. mechanized systems and heavy equipment.
D. independent miners using small-scale mining methods.
A
D. independent miners using small-scale mining methods.
12
Q
- A natural material that’s made up of a mass of one or more kinds of mineral crystals is a
A. rock.
B. group.
C. variety.
D. chemical element.
A
A. rock.
13
Q
- Which of the following is a gem variety?
A. Beryl
B. Garnet
C. Andradite
D. Demantoid
A
D. Demantoid
14
Q
- To be a gem, a mineral must be beautiful, durable, and
A. rare.
B. colorful.
C. transparent.
D. lightweight.
A
A. rare.
15
Q
- Which of the following is amorphous?
A. Beryl
B. Amber
C. Garnet
D. Jadeite
A
B. Amber