CS 1 Flashcards

1
Q

Most gems are
A. rocks.
B. organic.
C. minerals.
D. synthetic.

A

C. Minerals

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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

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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.

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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

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5
Q
  1. 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.

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6
Q
  1. A gem produced by, or derived from, a living organism is
    A. synthetic.
    B. manmade.
    C. organic.
    D. inorganic.
A

C. organic

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7
Q
  1. The world’s largest gem-consuming market is
    A. Japan.
    B. Europe.
    C. Thailand.
    D. the United States.
A

D. the United States.

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8
Q
  1. Which of the following is an organic gem?
    A. Jade
    B. Ruby
    C. Amber
    D. Tourmaline
A

C. Amber

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9
Q
  1. 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.

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10
Q
  1. Which group does almandine belong to?
    A. Spinel
    B. Garnet
    C. Feldspar
    D. Tourmaline
A

B. Garnet

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11
Q
  1. 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.

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12
Q
  1. 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.

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13
Q
  1. Which of the following is a gem variety?
    A. Beryl
    B. Garnet
    C. Andradite
    D. Demantoid
A

D. Demantoid

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14
Q
  1. To be a gem, a mineral must be beautiful, durable, and
    A. rare.
    B. colorful.
    C. transparent.
    D. lightweight.
A

A. rare.

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15
Q
  1. Which of the following is amorphous?
    A. Beryl
    B. Amber
    C. Garnet
    D. Jadeite
A

B. Amber

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