Minerals Quiz Review

The Moh's Hardness Scale is used to identify which property?

• luster
• density
• hardness
• streak

Inorganic means that a substance is not made of anything that was once living.

• True
• False

Luster refers to the way a mineral reflects light.

• True
• False

Coal, which is made of plant remains, is a mineral.

• True
• False

Color is a useful property to identify minerals.

• True
• False

Which of the following is NOT a characteristic of a mineral?

• naturally occurring
• inorganic
• liquid
• crystal structure

A mineral that splits easily along flat surfaces has the property called _____________.

• cleavage
• fracture

_____________ describes how a mineral looks when it breaks apart in an irregular way.

• cleavage
• fracture

Graphite is a mineral made up of carbon atoms that form thin sheets. But the sheets are only weakly held together. Predict whether graphite will break apart with cleavage or fracture.

• cleavage
• fracture

Inorganic, solid, naturally-occurring crystalline substance with a definite chemical composition and structure

• Mineral

• Ore

• Rock

• Sediment