Minerals Review

What can you infer about graphite from the fact that you can scratch it with just your fingernail?

• It's not very lustrous.
• It's not very hard.
• Its streak is black colored.
• It has fracture.

Which mineral is ranked highest on the Mohs scale? 

• Talc
• Calcite
• Quartz
• Diamond

Luster is . . . 

• The weight of a mineral.
• The way light reflects off of a mineral's surface.
• The way light reflects off of a rock's surface.
• The color left after a mineral is scratched.

Minerals have different properties to help scientists identify them.  Which is NOT a property used to identify minerals?

• color
• hardness
• size
• luster

Hardness is a property that helps identify minerals.  Scientists use a scale of 1-10 to show the hardness of a mineral. 

• true
• false

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

• hardness
• specific gravity
• luster
• streak

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

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster
• color
• streak
• cleavage

By definition, a mineral has which of the following characteristic(s)?

• definite chemical composition
• crystal structure
• naturally occuring
• all of the above

Tags

NGSS.MS-PS1-1