Physical Properties of Minerals

Which of the following properties does the Mohs scale measure?

• Luster
• Hardness
• Density
• Streak

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

• Sulfide
• Sulfate
• Mineral
• Element

What mineral is used for pencils?

• Graphite
• Galena
• Magnetite
• Quartz

Which mineral property is being shown here?

• luster
• hardness
• streak

What is the name of the scale used to measure mineral hardness?

• Fujita Scale

• Richter Scale

• Mohs Scale

• Beaufort Scale

What is the term for a mineral's ability to glow under ultraviolet light?

• Fluorescence

• Luster

• Cleavage

• Streak

A mineral is inorganic: True or False

• True
• False

Which mineral is known for its ability to be split into thin sheets?

• Calcite

• Feldspar

• Mica

• Quartz

What is the softest mineral on the Mohs Hardness Scale?

• Diamond
• Gypsum
• Topaz
• Talc

Why is coal not a mineral?

• It is not living (inorganic)
• It has plant life in it (organic)