Identifying Minerals

The color of a mineral in powder form is called the mineral's 

• hardness

• specific gravity

• luster

• streak

Which test is not reliable in identifying minerals

• streak

• luster

• specific gravity

• color

Breakage along smooth, flat planes

• fracture

• cleavage

• streak

• ore

Breakage along rough or jagged edges

• cleavage

• fracture

• streak

• luster

Metallic and nonmetallic are two examples of the physical property _______________.

• streak

• color

• luster

• cleavage

A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?

• Fracture

• Cleavage

• Glassy

• Waxy

A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?

• Fracture

• Cleavage

• Glassy

• Waxy

Which mineral property is being shown here?

• luster

• hardness

• cleavage

• streak

Which of these minerals is softer than glass?

• Topaz 

• Corundum 

• Calcite 

• Orthoclase 

Can a glass plate scratch apatite?

• Yes 

• No 

Tags

NGSS.MS-PS1-2