Minerals

1. Which mineral could scratch an iron nail but not a piece of glass?



Calcite
Apatite
Feldspar
Quartz

2. Which mineral is composed of repeating units such as the one in the diagram?



Flourite
Garnet
Calcite
Quartz

3. Which property of some minerals is illusatrated in the diagram?



Fracture
Cleavage
Hardness
Composition

4. The large spheres are chlorine atoms while the small spheres represent sodium. Which mineral is represented by the diagram?



Calcite
Talc
Selenite (gypsum)
Halite

5. Which property of some minerals is illustrated by the sample in the picture?



Cleavage
Hardness
Fracture
Composition

6. In order to identify a mineral a student places a drop of acid on it an notices that bubbles are produced. This mineral could be

Calcite or halite
Quartz or dolomite
Talc or flourite
Dolomite or calcite

7. Which mineral is found in the rock in the diagram?



Graphite
Calcite
Halite
Hematite

8. Minerals are composed of

One or more rocks
Only one rock
One or more chemical elements
Only one metal

9. Moh's scale is useful in determining a mineral's

Hardness
Luster
Chemical composition
Crystal structure

10. Most minerals

Have the same chemical properties
Share a few elements in common
Are made of a few different rocks
Are organic

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