Rocks and Minerals Question Marathon

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LoopQuantumGravity
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Re: Rocks and Minerals Question Marathon

Postby LoopQuantumGravity » May 14th, 2012, 8:08 pm

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Image
1. Name 3 minerals that have this arrangement of silicon-oxygen tetrahedra.
2. What type of cleavage is common in minerals with this structure?
3. What is the name for this group of silicates?
4. What is the ratio of silicon to oxygen in this group of silicates?

nerdygirl
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Re: Rocks and Minerals Question Marathon

Postby nerdygirl » August 11th, 2012, 5:14 pm

[hide]1. Name 3 minerals that have this arrangement of silicon-oxygen tetrahedra.
Talc, Biotite, Muscovite, Kaolinite, Lepidolite
2. What type of cleavage is common in minerals with this structure?
Perfect
3. What is the name for this group of silicates?
phyllosilicates
4. What is the ratio of silicon to oxygen in this group of silicates?
2:5[/hide]

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hotchocolate123
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Re: Rocks and Minerals Question Marathon

Postby hotchocolate123 » August 21st, 2012, 2:24 pm

We should start the thread up again....
2014 Nationals:
Heredity (5th) Water Quality (7th)
2013 Nationals:
Forestry (4) Heredity (9) Rocks & Minerals (5)
2012 Nationals:
Forestry (3) Rocks & minerals (7) Aquifers (13)

eox
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Re: Rocks and Minerals Question Marathon

Postby eox » August 22nd, 2012, 3:12 pm

we really should. i'm looking forward to this season :lol:


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