Identifying Minerals and Their Properties

Front

What is the term for the color of the powder of a mineral?

Back

Streak

Front

What property of a mineral indicates how light reflects off its surface?

Back

Luster

Front

What type of igneous rock forms from magma cooling at or near Earth’s surface?

Back

Extrusive

Front

How are igneous rocks classified?

Back

Extrusive and Intrusive

Front

What does the fracture or cleavage of a mineral indicate?

Back

Breakage pattern

Front

What is the term for the resistance of a mineral to being scratched?

Back

Hardness

Front

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

Back

Cleavage

Front

What is the term for the way a mineral breaks in an irregular pattern?

Back

Fracture

Front

What is the term for the shiny appearance of a mineral?

Back

Luster

Front

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

Back

Crystallization