Rocks & Minerals

The color of a mineral in powder form is called?

• hardness
• specific gravity
• luster
• streak

How light reflects off of a mineral is called?

• luster
• streak
• cleavage
• fracture

Occurs when a mineral breaks along a smooth, flat surface

• cleavage
• fracture
• streak
• luster

A mineral's resistance to being scratched is called?

• streak
• luster
• hardness
• heft

What term refers to the regular, geometric shapes that occur in many minerals?

• fracture
• crystal
• composition
• none of the above

^{_{The following image shows what mineral property?}}

• Hardness
• Streak
• Cleavage
• None of the above

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

What are the two types of luster? 

• Metallic and Metallic
• Nonmetallic and Shiny
• Metallic and Nonmetallic
• Shiny and Dull

The way a mineral breaks unevenly and unsmooth like refers to its ______ ,

• Cleavage
• Fracture
• Hardness
• Shatter

A rock that contains an metal or other economially useful mineral is called a(n)

• ore
• gem
• fossil fuel
• gemstone