Properties of Minerals

Front

What is the scale that is used to indicate hardness of a mineral?

Back

Moh's scale

Front

____________ is determined by scratching a mineral with other minerals.

Back

hardness

Front

Which mineral property is being shown here?

Back

streak

Front

______ is the way a mineral reflects light.

Back

Luster

Front

Which of the following must be true for a substance to be considered a mineral?

Back

It must be naturally occurring.

Front

What is the definition of a mineral?

Back

A naturally occurring inorganic solid with a definite chemical composition and crystalline structure.

Front

What property of minerals describes how they break along flat surfaces?

Back

Cleavage

Front

What is the term for the color of the powder left by a mineral when it is scratched on a porcelain plate?

Back

Streak

Front

What is the term for the way a mineral shines in light?

Back

Luster

Front

What is the difference between cleavage and fracture in minerals?

Back

Cleavage is the tendency of a mineral to break along flat surfaces, while fracture is the way a mineral breaks irregularly.