Which refers to a naturally occurring, inorganic solid that has a definite crystalline structure and chemical composition?

• compound

• mineral

• crystal

• rocks

Which of the following is NOT a characteristic of a mineral?

• solid

• organic

• formed in nature

• crystal structure

In the lab, a student wants to identify two different minerals. So, she takes them and scrapes them across a plate to see the color of the powder they leave behind. What property of minerals is she testing?

• luster

• streak

• color

• hardness

Which of the following would be the best description of the mineral property called luster?

• How a mineral reflects light.

• A minerals resistance to being scratched.

• The color of mineral gives off.

• Observing the color of the powder left behind when scraping across a surface.

Which is not a property that can be used to identify a mineral?

• hardness

• streak

• luster

• opaque

What is the hardest mineral according to Moh's scale of hardness?

• Talc

• Corundum

• Diamond

• Gypsum

True or False: Hardness describes a mineral's ability to resist scratching.

• True

• False

What refers to the tendency for a mineral to break along flat surfaces?

• Cleavage

• Tenacity

• Hardness

• Ductility

What is the mineral name for table salt?

• Graphite

• Halite

• Gypsum

• Dolomite

True or False: Minerals can be man-made.

• True

• False