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Abundance Tests Chemical Formulas
Minerals Chapter 3 Info.
Miscellaneous
There are over ___ different minerals in the Earth’s crust.
A 100
> 3000
A 100
The most abundant group of minerals in the Earth’s crust.
A 200
Silicates
Be able to name two!
A 200
Most abundant elements in the Earth’s crust.
A 300
Oxygen and Silicon
See a connection?
A 300
Some rare minerals will display this property under a
black light:
A 400
Fluorescence
A 400
Gems, in addition to being beautiful, must be ______.
A 500
RARE
A 500
Which test is more reliable in identifying a mineral; streak
or color?
B 100
Streak
Know a mineral with different color/streak, and one with
similar.B 100
What do you use to find streak and what is its
hardness?
B 200
Unglazed porcelain streak plate 6.5
B 200
Describe how to find specific gravity and the units you use.
ESSAY QUESTION: How would you find specific
gravity and what units would you use throughout? 8 pts.
B 300
Find density, compare it to water and drop the units.
D = m/v
B 300
What does a mineral’s crystal size tell us?
B 400
How quickly it cooled from magma or lava.
B 400
Name three types of luster.
B 500
Various responses.
Know “5” total?
B 500
What is the chemical formula for hydrochloric acid?
C 100
HCl
C 100
What is the chemical formula for any silicate?
C 200
SiO2
C 200
What is the chemical formula for calcite and how do we test
for it?
C 300
CaCO3
Acid test - effervescence
C 300
DAILY DOUBLE
C 400
DAILY DOUBLE
Place A Wager
What is the entire chemical formula for reaction between calcite and hydrochloric acid?
C 400
CaCO3 + HCl => H2O + CO2
Know products and reactantsC 400
A mineral with the same chemical formula but is rare and beautiful is a _______.
C 500
Gem
Hint: Know one gem and its common form.
C 500
Name two minerals on Moh’s scale and give their hardnesses.
D 100
See Moh’s scale
D 100
How hard is a mineral that can NOT be scratched by
your fingernail.
D 200
> 2.5
Know the hardness of fingernail, glass and streak plate
D 200
Name the four characteristics that all minerals share.
D 300
Inorganic
Natural
Solid
Definite chemical formula
D 300
A mineral mined for a profit that is useful is an ______.
D 400
Ore
How do we separate the mineral from the ore?
D 400
What does hardness measure?
D 500
How easily a mineral can be scratched.
D 500
Name a mineral and its gem form.
E 100
Various answers
And no, you may NOT use topaz and topaz.
E 100
Name a mineral that is also an element.
E 200
Various answers
Hint: these are known as NATIVE minerals.
E 200
How could you tell the difference between pyrite and
gold?
E 300
Streak, hardness.
E 300
What property is defined as the color of a mineral in its
powdered form?
E 400
Streak
E 400
Name two minerals and their uses.
E 500
Various answers
E 500
Using a black light, we were looking for what physical
property?
F 100
Fluorescence
F 100
Looking through Icelandic spar, what physical property
can be observed?
F 200
Double refraction
F 200
Name a mineral that comes in many colors.
F 300
Our class examples were calcite, fluorite and pyrite.
F 300
How much harder is a mineral with a hardness of 8,
than a mineral with a hardness of 7?
F 400
Ten times harder!
F 400
What is the specific gravity of a mineral that sinks in water?
F 500
Greater than 1.0
(Which means its density is greater than 1.0 g/cm3
F 500
The Final Jeopardy Category is:
Minerals (obviously)
Please record your wager.
Click on screen to begin
Quick…how many rocks were at the Acid Station?
Click on screen to continue
None!!! They were all minerals!
Click on screen to continue
Thank You for Playing Jeopardy!
Game Designed By C. Harr-MAIT
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