MINERAL TRIVIA FINAL ROUND!

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MINERALTRIVIAFINAL ROUND!
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Round 3 Question 1
Name a type of non-metal native element mineral
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Round 3 Question 2
XmSn is a general formula for sulfide minerals.
Name three elements that can fill in for X.
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Round 3 Question 3
The spinel group of oxides has a general formula
of XY2O4. Magnetite Fe3O4 is type of spinel.
What type iron cations occupy the X and Y sites?
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Round 3 Question 4
What is a possible anion in Halide minerals?
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Round 3 Question 5
What is a common chemical feature of sulfates,
carbonate, and phosphates?
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Round 3 Question 6
Why is the Si-O bond in silicon tetrahedra strong?
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Round 3 Question 7
What is the SixOy unit composition of
sorosilicates?
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Round 3 Question 8
What silicate mineral group is characterized by
double chain silicon tetrahedra?
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Round 3 Question 9
These pyroxenes display what feature?
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Round 3 Question 10
What type of silicate is quartz which would
explain its lack of cleavage?
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Round 3 Question 1
Name a type of non-metal native element
mineral. Sulfur, Diamond, Graphite
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Round 3 Question 2
XmSn is a general formula for sulfide minerals.
Name three elements that can fill in for X. Fe,
Cu, Pb, Zn, Ni, ...
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Round 3 Question 3
The spinel group of oxides has a general formula
of XY2O4. Magnetite Fe3O4 is type of spinel.
What type iron cations occupy the X and Y
sites? Fe2 in X site Fe3 in Y site
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Round 3 Question 4
What is a possible anion in Halide minerals? Cl,
F, I, or Br
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Round 3 Question 5
What is a common chemical feature of sulfates,
carbonate, and phosphates? All contain anionic
complexes
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Round 3 Question 6
Why is the Si-O bond in silicon tetrahedra
strong? 50-50 ionic-covalent bond,
or electrostatic valence (e.v.) 4/4, highest
in silicate minerals
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Round 3 Question 7
What is the SixOy unit composition of
sorosilicates? Si2O7
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Round 3 Question 8
What silicate mineral group is characterized by
double chain silicon tetrahedra? Amphibole
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Round 3 Question 9
These pyroxenes display what feature? Exsolution
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Round 3 Question 10
What type of silicate is quartz which would
explain its lack of cleavage? Tectosilicate or
framework silicate
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And the winners are...