Front

What is the property of a mineral that describes its ability to resist scratching?

Back

Hardness

Front

What do we call the phenomenon when a mineral breaks along curved or irregular surfaces?

Back

Fracture

Front

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

Back

Streak

Front

What property of a mineral describes how it reflects light?

Back

Luster

Front

Which mineral is commonly known as salt?

Back

Halite

Front

What is the term for the way a mineral breaks along flat surfaces?

Back

Cleavage

Front

What is the scale used to measure the hardness of minerals called?

Back

Mohs scale

Front

What is the term for the natural, solid substance made up of one or more minerals?

Back

Rock

Front

What is the process called when minerals form from cooling magma?

Back

Crystallization

Front

What is the term for the unique color and pattern of a mineral when viewed in reflected light?

Back

Luster