Moh's Scale
Characteristics of minerals
Properties of minerals
More Properties
Mining and Misc
100
This mineral is the hardest on the scale
What is Diamond
100
Which state of matter are rocks and minerals?
What is a solid
100
The property of a mineral that describes the way in which light reflects from its surface or indicates if a mineral is shiny or dull is this
What is luster
100
The amount of mass in a given volume of a substance is this property
What is density
100
Molten rock that reaches a planet's surface through a volcano is called this
What is lava
200
This mineral is the softest on the scale
What is talc
200
Minerals form here
What is in nature
200
The color of a mineral when it is grounds into a power is the property of this
What is streak?
200
Minerals with this property glow when they are exposed to ultraviolet light
What is fluorescent
200
Molten rock beneath Earth's surface is called this
What is magma
300
If you have two rocks or minerals and one is a 7 on the Moh's scale and the other is a 5 on the hardness scale, which one will have a scratch on it?
What is the mineral with a hardness of 5
300
Mineral has a definite chemical ____________
What is make up
300
The Moh's scale measures this property?
What is hardness?
300
Meteorites have this property which means they have a small pull toward a magnet
What is magnetic
300
Strip mining and panning examples of this type of mining
What is surface mining?
400
If you have a piece of topaz and a piece of calcite and you rub them together which will get scratched?
What is the calcite
400
This characteristic of a mineral tells us about their structure
What is crystal like?
400
The tendency of a mineral to BREAK into irregular pieces is this property
What is fracture
400
Some minerals contain unstable elements that change into other elements over time this property is known as what
What is radioactivity
400
This type of mining when the surface layer of soil is removed and miners then use explosives to break up the underlying rock and recover the ore from a pit?
What is open pit mining or surface mining?
500
This mineral has a hardness of 4 on the Moh's scale. A nail can scratch it and it is used in toothpaste
What is fluorite
500
A rock doesn't have two of the characteristics that a mineral has what are they?
What is a definite chemical make up and a crystal like structure?
500
The tendency of a mineral to break along flat surfaces, like mica does is this property
What is cleavage
500
A mineral in the carbonate group, such as calcite, can be categorized in this group with this test
What is the acid test
500
This mineral forms from salt water evaporating and leaving behind deposits of this. It is also known as salt!
What is halite