Rocks and Minerals Question Marathon

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LoopQuantumGravity
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Re: Rocks and Minerals Question Marathon

Postby LoopQuantumGravity » April 26th, 2012, 4:33 pm

Quartz (citrine)
1. Magma, Saturated silica solutions
2. Semiprecious gemstone
3. 1427 C

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quizbowl
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Re: Rocks and Minerals Question Marathon

Postby quizbowl » April 26th, 2012, 7:58 pm

Quartz (citrine)
1. Magma, Saturated silica solutions
2. Semiprecious gemstone
3. 1427 C
Nope!
2010: 5th in NYS
2011: 4th in NYS
2012: 3rd in NYS
<quizbowl> ey kid ya want some shortbread
<EASTstroudsburg13> I don't know why, but I just can't bring myself to delete this post.

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Kazen
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Re: Rocks and Minerals Question Marathon

Postby Kazen » April 27th, 2012, 3:13 pm

Hello!

Fluorite:
1. Hydrothermal
2. Smelting and Steel Production
3. 1360 degrees celsius
2015: Forensics/Mission/TPS/Fossils
2014: Forensics/Mission/Rocks/Water Qual
2013: Forensics/Rocks
2011: Rocks/Experimental

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quizbowl
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Re: Rocks and Minerals Question Marathon

Postby quizbowl » April 27th, 2012, 4:36 pm

Hello!

Fluorite:
1. Hydrothermal
2. Smelting and Steel Production
3. 1360 degrees celsius
Indeed it is! Also you could answer #2 with flux.
2010: 5th in NYS
2011: 4th in NYS
2012: 3rd in NYS
<quizbowl> ey kid ya want some shortbread
<EASTstroudsburg13> I don't know why, but I just can't bring myself to delete this post.

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Kazen
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Re: Rocks and Minerals Question Marathon

Postby Kazen » April 27th, 2012, 8:01 pm

Image
ID this mineral and its chemical formula. (:

(and thanks for the tip~)
2015: Forensics/Mission/TPS/Fossils
2014: Forensics/Mission/Rocks/Water Qual
2013: Forensics/Rocks
2011: Rocks/Experimental

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tuftedtitmouse12
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Re: Rocks and Minerals Question Marathon

Postby tuftedtitmouse12 » April 27th, 2012, 8:30 pm

Bornite. Cu5FeS4
peter, peter, peter

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Kazen
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Re: Rocks and Minerals Question Marathon

Postby Kazen » April 27th, 2012, 8:32 pm

Bornite. Cu5FeS4
Nope! But the colors certainly look similar. ;D
2015: Forensics/Mission/TPS/Fossils
2014: Forensics/Mission/Rocks/Water Qual
2013: Forensics/Rocks
2011: Rocks/Experimental

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tornado guy
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Re: Rocks and Minerals Question Marathon

Postby tornado guy » April 27th, 2012, 8:37 pm

Chalcopyrite; CuFeS2?
Proud ExCEL Homeschooler for five awesome years!
Nationals 2012: Meteorology 5th, R&M 19th, WQ 21st, DP 30th. Team 11th

Regionals 2013 C division: DP 3rd, WQ 5th.

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Kazen
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Re: Rocks and Minerals Question Marathon

Postby Kazen » April 27th, 2012, 8:43 pm

Chalcopyrite; CuFeS2?
Nope! Similar colors as well. XD
2015: Forensics/Mission/TPS/Fossils
2014: Forensics/Mission/Rocks/Water Qual
2013: Forensics/Rocks
2011: Rocks/Experimental

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Re: Rocks and Minerals Question Marathon

Postby quizbowl » April 27th, 2012, 8:54 pm

This has got to be
Specular hematite, Fe2O3
2010: 5th in NYS
2011: 4th in NYS
2012: 3rd in NYS
<quizbowl> ey kid ya want some shortbread
<EASTstroudsburg13> I don't know why, but I just can't bring myself to delete this post.


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