MINERAL
TRIVIA
FINAL ROUND!
Round 3 – Question 1
Name a type of non-metal
native element mineral
Round 3 – Question 2
XmSn is a general formula for
sulfide minerals. Name three
elements that can fill in for X.
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?
Round 3 – Question 4
What is a possible anion in
Halide minerals?
Round 3 – Question 5
What is a common chemical feature of
sulfates, carbonate, and phosphates?
Round 3 – Question 6
Why is the Si-O bond in silicon
tetrahedra strong?
Round 3 – Question 7
What is the SixOy
unit composition of
sorosilicates?
Round 3 – Question 8
What silicate
mineral group is
characterized
by double chain
silicon
tetrahedra?
Round 3 – Question 9
These pyroxenes
display what feature?
Round 3 – Question 10
What type of silicate is quartz
which would explain its lack of
cleavage?
Round 3 – Question 1
Name a type of non-metal
native element mineral.
Sulfur, Diamond, Graphite
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, ...
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?
Fe+2 in X site; Fe+3 in Y site
Round 3 – Question 4
What is a possible anion in
Halide minerals?
Cl, F, I, or Br
Round 3 – Question 5
What is a common chemical feature of
sulfates, carbonate, and phosphates?
All contain anionic complexes
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
Round 3 – Question 7
What is the SixOy
unit composition of
sorosilicates?
Si2O7
Round 3 – Question 8
What silicate
mineral group is
characterized
by double chain
silicon
tetrahedra?
Amphibole
Round 3 – Question 9
These pyroxenes
display what
feature?
Exsolution
Round 3 – Question 10
What type of silicate is quartz
which would explain its lack of
cleavage?
Tectosilicate or framework silicate
And the winners are...