Minerals

By definition, a mineral has which of the following characteristic(s)?

• chemical composition
• crystalline structure
• natural
• all of the above

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

How do you test the hardness of a mineral? 

• Throw it against a wall
• Step on it
• Scratch Test
• Kick it until it breaks

How effective is the physical property of color in identifying a mineral? 

• Very effective.  You can immediately identify it based only on the color. 
• It doesn't make a difference.  Every mineral can be any color.  
• It is one property and may not be used alone to identify a mineral. 
• Color isn't a physical property. 

What are the two types of luster? 

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

A pearl is not considered a mineral because it is __________.

• Crystalline Structure
• Naturally Occurring 
• Solid
• Organic

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

• Cleavage
• Fracture
• Hardness
• Shatter

Using this scale, which mineral can scratch fluorite?

• Talc 
• Gypsum 
• Apatite 
• Calcite