Minerals

Minerals Review

Pg. 8 & 9 in Packet

Multiple Choice

Using the Mohs Hardness Scale above answer the following questions as true or false.

1. _____ Apatite would scratch fluorite but not topaz.

• True

• False

Multiple Choice

Using the Mohs Hardness Scale above answer the following questions as true or false.

2. _____ A steel nail would scratch quartz.

• True

• False

Multiple Choice

Using the Mohs Hardness Scale above answer the following questions as true or false.

3. _____ Fluorite can scratch calcite, gypsum and talc.

• True

• False

Multiple Choice

Using the Mohs Hardness Scale above answer the following questions as true or false.

4. _____ Talc can scratch your fingernail.

• True

• False

Multiple Choice

Using the Mohs Hardness Scale above answer the following questions as true or false.

5. _____ Quartz can scratch a diamond, topaz, and apatite.

• True

• False

Open Ended

Name at least five ways minerals can be identified - record the correct answers in your notes for # 6- 10

Multiple Choice

11. Why is color not a very good indicator in identifying minerals?

• Minerals only come in one color

• Every mineral has its own unique color.

• Many different minerals come in the same color.

Multiple Choice

12.What is the difference between fracture and cleavage in a mineral?

• Cleavage = breaks along flat, smooth planes into a set shape,

  Fracture = breaks in random, jagged edges.

• Cleavage = breaks in random, jagged edges.

  Fracture = breaks along flat, smooth planes into a set shape,

Multiple Choice

1. When determining the color of a mineral’s powder, what tool would you need?

• A. Glass Plate

• B. Unglazed porcelain tile (ceramic plate)

• C. Microscope

• D. Hydrochloric acid

Multiple Choice

2. Which mineral property refers to how easily a mineral can be scratched?

• A. Streak

• B. Density

• C. Hardness

• D. Fracture

Multiple Choice

3. Which indicator would not be good as the only indicator when identifying a mineral?

• A. Color

• B. Breaking Pattern

• C. Specific Gravity

• D. Hardness

Multiple Choice

4. Fracture or cleavage of a mineral is determined by:

• A. how long it took to form

• B. the internal arrangement of atoms

• C. temperature

• D. the color of the mineral

Multiple Choice

5.Which of the following is not true of all minerals?

• A. Definite chemical composition

• B. Definite crystalline shape

• C. Made in laboratories

• D. Solid

Multiple Choice

6. Describe how you would determine a mineral’s streak.

• Rub the mineral on a ceramic plate.

• Rub the mineral on a glass plate.

• Break the mineral.

• Place the mineral in a beaker of water.

Multiple Choice

7. Rubbing a mineral on a glass plate is testing which property?

• Streak

• Hardness

• Density

• Breakage

Multiple Select

8. What are the two main types of luster?

• Metallic

• Glossy

• Nonmetallic

• Pearly

Multiple Choice

9. Which mineral is often used to enhance the flavor of food?

• Calcite

• Halite

• Flourite

• Magnetite