Minerals Quiz

Which mineral has the distinctive property of reactivity to acid?

• magnetite

• calcite

• sulfur

• fluorite

The streak of minerals will always match their color.

• TRUE

• FALSE

Breaking a mineral doesn't break its chemical bonds.

• TRUE

• FALSE

Several mineral samples are sorted into two groups. One group consists of shiny minerals, while the other consists of dull minerals. By which of the following physical properties are the minerals sorted?

• streak

• color

• hardness

• luster

Refer to the following list of minerals: Talc, Gypsum, Calcite and Fluorite; which is the hardest?

• Fluorite

• Gypsum

• Talc

• Calcite

Radioactivity is a property of which of the following minerals?

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A mineral’s cleavage describes which of the following?

• The pattern or patterns according to which it breaks

• The mineral's ability to resist being scratched

• What kind of mark it leaves on white tile

• The way light reflects off of the surface

What is the appearance of a mineral with a vitreous luster?

• soft-looking with long fibers

• sparkly

• pearl-like

• glassy

Why does halite break into cubes?

• This is the way the weaker chemical bonds break

• It fractures along perpendicular planes

• Its fibers are perpendicular to each other and that is how it breaks

Which of the following would display the reactivity (a chemical property) of a mineral?

• Is easily scratched by a piece of quartz

• Breaks easily when struck with a chisel

• Bubbles when touched by acid

• Has a shiny surface