Minerals

Front

What are the two most useful tests when identifying a mineral?

Back

Streak and hardness.

Front

What is the solid, geometric form of a mineral produced by a repeating pattern of atoms?

Back

Crystal.

Front

Which mineral will scratch quartz but not corundum?

Back

Topaz.

Front

How would you describe a mineral that breaks into pieces with smooth, flat surfaces?

Back

Cleave.

Front

How light reflects off of a mineral is called what?

Back

Luster.

Front

What is the term for the color of the powder left behind when a mineral is scratched on a streak plate?

Back

Streak.

Front

What is the term for the way a mineral breaks when it does not follow a flat plane?

Back

Fracture.

Front

What property describes how easily a mineral can be scratched?

Back

Hardness.

Front

What is the term for the arrangement of atoms in a mineral that determines its crystal structure?

Back

Crystal lattice.

Front

What is the term for the natural occurring inorganic solid with a definite chemical composition?

Back

Mineral.