Ch.9 Earth Science Quiz B

The color of a mineral's powder is called its

• streak

• color

• mass

• hardness

The way a mineral reflects light from its surface is

• hardness

• luster

• streak

the way a mineral breaks into sheets is called its

• cleavage

• hardness

• gravity

the way a mineral breaks into uneven surfaces is known as

• streak

• flame

• fracture

The Mohs scale is a measure of a mineral's

• hardness

• fracture

• specific gravity

The ratio of a mineral's density to water's density is called the mineral's

• specific gravity

• hardness

• luster

What test would you do to see if the mineral has sodium, potassium, or calcium in it?

• hardness

• specific gravity

• flame

Mineralogists usually have to do more than one test on a mineral to determine it's identity.

• True

• False