Chapter four Minerals

Naturally occurring, inorganic solid with specific chemical composition and crystalline structure

• d. mineral
• a. crystal
• b. gem
• c. magma
• e. ore

Solid in which the atoms are arranged in repeating patterns

• a. crystal
• b. gem
• c. magma
• d. mineral
• e. ore

Molten material found beneath Earth’s crust

• c. magma
• a. crystal
• b. gem
• d. mineral
• e. ore

Mineral that contains silicon and oxygen

• f. silicate
• a. crystal
• b. gem
• c. magma
• d. mineral

Mineral that contains a useful substance that can be mined for profit

• e. ore
• a. crystal
• b. gem
• c. magma
• d. mineral

Valuable mineral prized for its rarity and beauty

• b. gem
• a. crystal
• c. magma
• d. mineral
• e. ore

_______ is the color of a mineral when it is broken up and powdered

• Streak
• luster
• fracture
• cleavage

The tendency of a mineral to break along a smooth, flat plane is called________.

• streak
• luster
• fracture
• cleavage

is the measure of how easily a mineral can be scratched

• streak
• luster
• fracture
• hardness

_____ is the tendency of a mineral to break with rough and daggered edges

• streak
• luster
• fracture
• cleavage