Minerals

Front

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

Back

Streak

Front

What property of minerals is described by terms like dull, silky, waxy, pearly, and earthy?

Back

Luster

Front

What is the softest mineral on the Mohs Hardness scale?

Back

Talc

Front

What is the name of the scale that ranks minerals from softest to hardest?

Back

Mohs Hardness Scale

Front

What method is commonly used to test the hardness of a mineral?

Back

Scratch Test

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 manner?

Back

Fracture

Front

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

Back

Color

Front

What is the term for the way light reflects off the surface of a mineral?

Back

Luster

Front

What mineral is known for its perfect cleavage and is used in pencils?

Back

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