Earth Structure Ch. 2.1 Properties of Minerals

The hardest known mineral on the Mohs Hardness Scale is:

• Fluorite
• Sypsum
• Topaz
• Diamond

Which of the following properties does the Mohs scale measure?

• Luster
• Hardness
• Density
• Streak

_____ is how light bounces off of a mineral.

• Color
• Hardness
• Luster 
• Streak

What occurs when minerals break unevenly along curved or irregular surfaces?

• Luster
• Fracture
• Cleavage
• Streak

What is the color of a mineral in powdered form called?

• Luster

• Fracture

• Streak

• Hardness

Which mineral property is being shown here?

• luster

• hardness

• streak

• crystal structure

How much a mineral resists scratching is

• Streak
• Fracture
• Hardness
• Cleavage

The least useful property when identifying minerals is

• Streak

• Luster

• Color

• Hardness

_________ is when a mineral splits along flat surfaces.

• color

• cleavage

• fracture

• streak

This mineral would be described as having a _______ luster.

• metallic

• nonmetallic

• pearly

• earthy