Minerals

_?_ is NOT a mineral.

• A pearl

• A diamond

• Copper

• Ice in the Arctic areas

What mineral is known as "fools gold"?

• graphite
• quartz
• galena
• pyrite

Which mineral property is being shown here?

• luster
• hardness
• cleavage
• streak

Can a penny scratch fluorite?

• Yes 
• No 

Which of these minerals is softer than glass?

• Topaz 
• Corundum 
• Calcite 
• Orthoclase 

The color of a mineral in powder form is called the mineral's _?_.

• hardness

• specific gravity

• luster

• streak

How light reflects off of a mineral is called the mineral's _?_.

• luster

• streak

• cleavage

• fracture

Why is coal not a mineral?

• It's not a solid
• It is man-made
• It is not inorganic
• It is made of carbon

The following image shows what mineral property?

• Hardness
• Streak
• Cleavage
• Density

Diamond has a hardness of _?_ on Mohs Hardness Scale.

• 1

• 5

• 8

• 10