When a mineral breaks along rough, jagged surfaces it's called

• fracture

• cleavage

• hardness

• streak

#1 on the Mohs Hardness Scale and also used in baby powder.

• halite

• talc

• graphite

• gypsum

The measure of how easily a mineral can be scratched.

• streak

• color

• luster

• hardness

This mineral is used to preserve and season food. It is the mineral name for salt.

• magnetite

• graphite

• gypsum

• halite

The way that a mineral reflects light. It can be metallic or non-metallic.

• streak

• hardness

• fracture

• luster

The study of minerals is called

• meteorology

• geology

• astronomy

• mineralogy

The color left by a mineral in its powdered form.

• streak

• density

• hardness

• smudge

What equipment would you need to do a mineral streak test?

• a long pointed iron rod

• a rough white ceramic tile

• a disposable sample of talc

• a low powered microscope

Color and hardness are examples of a mineral's

• chemical properties

• molecular qualities

• atomic structure

• physical properties

In order to be classified as a mineral a substance must be

• man-made

• organic

• able to be scratched by a penny

• naturally occurring