Minerals

What mineral is known as "fools gold"?

• graphite
• quartz
• galena
• pyrite

What mineral is found in pencils? You can write with it.

• feldspar

• magnetite

• graphite

• kaolinite

The color of a mineral in powder form is called?

• hardness
• specific gravity
• luster
• streak

Occurs when a mineral breaks along a smooth, flat surface

• cleavage
• fracture
• streak
• luster

A mineral's resistance to being scratched is called?

• streak
• luster
• hardness
• heft

90% of known minerals are ___________.

• Halides

• Oxides

• Sulfates

• Silicates

Which of the following correctly matches the tool with what it measures?

• Penny - streak
• Graduated cylinder - streak
• Glass - volume
• Triple beam balance - mass

How effective is the physical property of color in identifying a mineral?

• Very effective. You can immediately identify it based only on the color.

• It doesn't make a difference. Every mineral can be any color.

• It is one property and should not be used alone to identify a mineral.

• Color isn't a physical property.

What are the two types of luster? 

• Metallic and Metallic
• Nonmetallic and Shiny
• Metallic and Nonmetallic
• Shiny and Dull

How do you test the streak of a mineral? 

• By scraping some of the mineral onto a streak plate.
• Look for streaks on the mineral.
• Google it. 
• You don't.