Front

What is the term for the way a mineral breaks unevenly, resulting in rough or jagged surfaces?

Back

Fracture

Front

What is the repeating pattern of a mineral's particles in a solid called?

Back

Crystal structure

Front

What does the atomic number of an element indicate?

Back

The number of protons in the nucleus of an atom.

Front

Which property is generally the least useful in identifying minerals?

Back

Color

Front

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

Back

Cleavage

Front

What is the definition of a mineral?

Back

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

Front

What is the Mohs scale used for?

Back

To measure the hardness of minerals.

Front

What is the difference between a mineral and a rock?

Back

A mineral is a single substance with a specific chemical composition, while a rock is a solid aggregate of one or more minerals.

Front

What is luster in terms of mineral properties?

Back

The way a mineral reflects light, which can be described as metallic or non-metallic.

Front

What is the significance of a mineral's streak?

Back

The color of the powder left when a mineral is scraped across a porcelain plate, which can help in identification.