Physical Properties of Minerals

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

• Gas
• Fracture
• Streak
• Liquid

The hardest known mineral on the Mohs Hardness Scale is:

• Fluorite
• Sypsum
• Topaz
• Diamond

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

• Luster
• Fracture
• Cleavage
• Streak

A naturally formed, inorganic solid that has a crystalline structure is a

• Sulfide
• Sulfate
• Mineral
• Element

What is the softest mineral on the Mohs Hardness Scale?

• Diamond
• Gypsum
• Topaz
• Talc

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

A mineral is inorganic: True or False

• True
• False

What mineral is used for pencils?

• Graphite
• Galena
• Magnetite
• Quartz

Which mineral property is being shown here?

• luster
• hardness
• streak