Study minerals Flash Cards

 
Pile Management Card
minerals

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Look at Mohs' hardness scale. Which of the following minerals is the hardest?
1. diamond
2. apatite
3. topaz
4. talc
1. diamond
Look at Mohs' hardness scale. You have a mineral which can scratch fluorite but not quartz. What is the approximate hardness?
5 or 6
Name 6 ways people use minerals.
1. graphite- pencils
2. silver and copper- jewelry
3. hematite- used to make iron in steel
4. cuprite (refined from copper and oxygen)- used in pennies, pots and pans, water pipes
5. gypsum- used to make plaster and wallboard
6. diamonds- used in jewelry, used to make drill bits
_____________ is the hardest natural substance on Earth.
diamond
_____________ is the tendency of some minerals to break unevenly along curved or irregular surfaces.
fracture
______________ is the ability of some minerals to break along flat surfaces.
cleavage
_______________ is tha ability of a mineral to resist being scratched.
hardness
Minerals that look dull or dark have a ______________________.
nonmetallic luster
The sparkling appearancer of a diamond is called a _______________.
brilliant luster
Name a mineral that has metallic luster.
aluminum
__________ is the color left behind when youy rub a mineral on a white surface
streak
The way the surface of a mineral reflects light.
luster
List 3 features a material must have to be called a mineral.
1. solid material
2. Form only in nature
3. Particles are arranged in a repeating pattern (like a crystal)
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