Minerals

How light reflects off of a mineral is called the mineral's 

• luster

• streak

• cleavage

• fracture

Tags

NGSS.MS-PS4-2

A mineral's resistance to being scratched is called?

• streak

• luster

• hardness

• heft

Which test is not reliable in identifying minerals

• streak

• luster

• specific gravity

• color

Breakage along smooth, flat planes

• fracture

• cleavage

• streak

• ore

Breakage along rough or jagged edges

• cleavage

• fracture

• streak

• luster

Metallic and nonmetallic are two examples of the physical property _______________.

• streak

• color

• luster

• cleavage

A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?

• Fracture

• Cleavage

• Glassy

• Waxy

Which mineral property is being shown here?

• luster

• hardness

• cleavage

• streak

Can a glass plate scratch apatite?

• Yes 

• No 

Can a penny scratch fluorite?

• Yes 

• No