Minerals and Crystals

__________ is how light bounces off of a mineral.

• Color
• Hardness
• Luster 
• Streak

True or False: A mineral is a living substance found in nature.

• True
• False

Which is NOT a property used for identifying minerals?

• Streak
• Hardness
• Taste
• Color

_______ is the color of the powder left when a mineral is rubbed on a white tile.

• Streak
• Luster
• Color
• Hardness

_______ of a mineral describes how easily it can be scratched. 

• Color
• Hardness
• Luster
• Streak

Which of the following is NOT a characteristic of minerals.

• Naturally occurring

• Man-made

• Solid

• Inorganic

By definition, a mineral has which of the following characteristics?

• Crystal Structure

• Naturally Occuring

• Fixed chemical composition

• All of the above

The solid, geometric form of a mineral produced by a repeating pattern of atoms.

• crystal
• density
• element
• fracture 

________ means that the mineral was formed by nature, not by a human or machine.

• Naturally Occurring
• Inorganic Processes
• Solid
• Crystal Shape

When a mineral breaks in an uneven, rough, or jagged way.

• Luster
• Cleavage
• Hardness
• Fracture