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Section 1 Review
SECTION VOCABULARY
I crystal
a solid whose atoms, ions, or molecules
are arranged in a regular, repeating pattern
mineral a natural, usually inorganic solid that
has a characteristic chemical composition, an
orderly internal structure, and a characteristic
set of physical properties
nonsilicaie mineral a mineral that does not
contain compounds of silicon and oxygen
silicate mineral a mineral that contains a com­
bination of silicon and oxygen and that may
also contain one or more metals
silicon-oxygen tetrahedron the basic unit of
the structure of silicate minerals; a silicon ion
bonded to and surrounded by four
1. Compare What is the difference between silicate minerals and nonsilicate miner­
als?
2. Identify What are the three most common nonsilicate crystal structures?
3. Apply Concepts Give one exanlple of a mineral. Describe at least three character­
istics that show that it is a mineraL
Earth scientist discovers a new mineraL The mineral is made up of gold
and sulfur atoms bonded together. vVhich group of nonsilicate mineral does this
mineral belong in?
4. Infer An
5. Compare Quartz is a framework silicate. Pyroxene is a single-chain silicate.
Describe how these two minerals are different and how they are similar.
C0111ndum (AlZ03) and hematite CFeZ03) both contain oxygen, but they
are not considered to be silicate minerals. Why is this?
6. Explain
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Minerals of
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