Minerals

The copper in a penny is a mineral. What is the luster for copper? Why?

• The luster for copper is non-metallic because it's not a metal

• The luster for copper is metallic because copper's a metal

• The luster for copper is opaque

• The luster for copper is non-metallic because it is metal.

What is the light interaction for copper?

• Transparent (see-through)

• Translucent (a little see-through)

• Opaque (not see-through)

Tags

NGSS.MS-PS4-2

What kind of light interaction would you want a mineral to have if you were going to use it to make windows?

• Opaque

• Translucent

• Transparent

Tags

NGSS.MS-PS4-2

The way a surface reflects light.

• color
• luster
• streak
• density

Tags

NGSS.MS-PS4-2

Color of a mineral in powdered form.

• hardness
• streak
• breakage
• density

A shiny material is described as having a __________________ luster

• metallic
• nonmetallic

A dull material is described as having a __________________ luster.

• metallic
• nonmetallic

Which mineral property is being shown here?

• luster
• cleavage
• streak
• fracture

If you look at a mineral and decide if it is metallic or nonmetallic, shiny, dull, glassy, how it reflects light -you are looking at its __________.

• luster
• cleavage
• fracture
• streak

A ________ is a naturally occurring, inorganic, solid that can have crystal structure and definite chemical composition. 

• mineral
• rock
• crystal
• fluorite