Minerals Question Preview (ID: 948)


Chapter 4, Section 1.

A mineral must be inorganic, which means that it contains
a) compunds.
b) no materials that were once part of living things.
c) parts of living things.
d) materials made by humans.

The color of a mineral's powder is called its
a) streak.
b) hardness.
c) density.
d) luster.

If you broke a mineral into tiny pieces, each piece would
a) still show the same crystal structure.
b) be metallic.
c) be roughly the same size.
d) have a different shape.

Coal is NOT classified as a mineral because
a) it is useful as a fuel.
b) it is part of Earth's crust.
c) it is not valuable.
d) it comes from the remains of plants and animals.

The repeating pattern of a mineral\'s particles forms a solid called a(n)
a) crystal.
b) rock.
c) compund.
d) element.

What is the hardest known mineral?
a) talc
b) gold
c) diamond
d) quartz

Most minerals do NOT split apart evenly. Instead, they have a characteristic type of
a) cleavage.
b) luster.
c) crystal.
d) fracture.

The term used to describe how a mineral reflects light from its surface is
a) fluorescence.
b) luster.
c) density.
d) streak.

The softest mineral on the Mohs hardness scale is
a) quartz.
b) gypsum.
c) apatite.
d) talc.

When geologists say that a mineral always contains certain elements in definite proportions, they mean that the mineral
a) is a rock-forming mineral.
b) is a solid.
c) has a definite chemical composition.
d) has no crystal structure.

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