Whether or not a mineral will float in water is based on its _________.

• Luster

• Hardness

• Cleavage

• Density

The formula for density is ___________.

• D = M x V

• D = M + V

• D = M / V

• D = V / M

The color of the powder left behind when a mineral is rubbed on a white tile is called its ____________.

• Luster

• Streak

• Fracture

• Color

When a mineral breaks easily along flat surfaces it has ________.

• Cleavage

• Fracture

• Hardness

• Luster

When a mineral breaks apart in an irregular way it has _____________.

• Cleavage

• Fracture

• Luster

• Hardness

Atoms are arranged in a regular, repeating pattern. Classified by the number of faces and measure of angles. What property is this?

• Hardness

• Luster

• Density

• Crystal Structure

You look at a mineral to find this property. Many minerals can have more than one.

• Luster

• Cleavage

• Color

• Streak

The mineral's ability to reflect light. It can be metallic, pearly, glassy, silky, or dull.

• Luster

• Color

• Fracture

• Density

The mineral's ability to scratch another object. Tools used to test this include glass, fingernail, steel, and a copper penny.

• Luster

• Hardness

• Density

• Streak

The scale used to measure hardness of minerals is called the _______.

• Bob's Hardness Scale

• Moh's Hardness Scale

• Mike's Hardness Scale

• The Hardness Scale