Hardness
Mineral Key
Mineral Properties or characteristics
Fracture or cleavage
Random
100
What is the hardness of Talc?
What is 1?
100
What is Apatite?
100
A mineral's resistance to being scratched
What is hardness?
100
When minerals break unevenly
What is fracture?
100
After doing an investigation, your lab partner says a brick, steel and glass are minerals. Knowing the 5 characteristics of a mineral, do you agree?
No, they are not naturally occurring.
200
What is the hardness of Calcite? Daily Double
400 points
What is 3?
200
Name the mineral that has a metallic luster, cleavage, and a hardness of 1-2?
What is Graphite?
200
One of the students said, "Hey I know the characteristics of a mineral, all you have to remember is Nerds in Science can't dance". Explain what she/ he was referring to by using that sentence.
bonus 1000
What is Naturally Occurring
Inorganic
Solid
Crystalline Structure
Definite Chemical Composition
200
The mineral biotite/ mica
What is cleavage?
200
The color of the powder produced when it is dragged across an un-weathered surface
a. streak
b. hardness
What is streak?
300
What is the hardness of a fingernail?
What is 2-2.5?
300
A mineral that is known as fool's gold
What is Pyrite?
300
State the properties of a mineral
Daily Double
What is color, luster, streak, cleavage, fracture, and hardness?
300
The mineral halite
What is cleavage?
300
How light reflects off a mineral
a. fracture
b. luster
What is luster?
400
What is the hardness of Quartz?
Bonus 1000
What is 7?
400
A scientist tries to scratch a sample of silver with galena. Will he be able to scratch the silver?
No, galena is softer than silver?
400
Describe the 5 characteristics of a mineral? Daily double.
800 points
What is Naturally occurring, inorganic, solid, crystalline structure, and definite chemical composition?
400
What kind of fracture does quartz show? Genius Point!
3000
What is Conchoidal fracture?
400
Name the property that is less effective in identifying a mineral.
What is color?
500
What is the hardness of Diamond?
What is 10?
500
A scientist tries to scratch a sample of magnetite with Malachite. Will he be able to scratch the magnetite?
What is no, because malachite is softer than magnetite?
500
When minerals break and form smooth flat surfaces
What is cleavage?
500
What is a mineral quartz called?
What is Fracture?
500
Daily Double 1000 points
Explain the (3 steps) you would use to test a mineral
a. hardness, cleavage, streak
b. streak, hardness, cleavage
c. cleavage, streak, hardness
What is cleavage, streak, hardness?