MINERAL TRIVIA FINAL ROUND!. Round 3 – Question 1 Name a type of non-metal native element mineral.

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Presentation transcript:

MINERAL TRIVIA FINAL ROUND!

Round 3 – Question 1 Name a type of non-metal native element mineral

Round 3 – Question 2 X m S n is a general formula for sulfide minerals. Name three elements that can fill in for X.

Round 3 – Question 3 XY 2 O 4. Magnetite Fe 3 O 4 is type of spinel. What type iron cations occupy the X and Y sites The spinel group of oxides has a general formula of XY 2 O 4. Magnetite Fe 3 O 4 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 Si x O y 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 X m S n 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 XY 2 O 4. Magnetite Fe 3 O 4 is type of spinel. What type iron cations occupy the X and Y sites The spinel group of oxides has a general formula of XY 2 O 4. Magnetite Fe 3 O 4 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? ionic-covalent bond, or electrostatic valence (e.v.) = 4/4, highest in silicate minerals

Round 3 – Question 7 What is the Si x O y unit composition of sorosilicates? Si 2 O 7

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...