Rocks and Minerals Question Marathon

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quizbowl
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Re: Rocks and Minerals Question Marathon

Post by quizbowl » November 14th, 2012, 9:52 pm

havendude wrote:Image

Identify
Rhodonite
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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Re: Rocks and Minerals Question Marathon

Post by hotchocolate123 » November 15th, 2012, 8:42 am

hmmmm is it rhodonite?
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)

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Re: Rocks and Minerals Question Marathon

Post by havendude » November 15th, 2012, 3:00 pm

Your turn
---Regionals---States---Nats

Rocks and Minerals---2nd---15th---11th
Disease Detectives---1st---3rd---27th
Optics---1st---NA---NA
Crime Busters---2nd---NA---NA
Compute This---NA---32---15th

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hotchocolate123
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Re: Rocks and Minerals Question Marathon

Post by hotchocolate123 » November 15th, 2012, 8:05 pm

I don't know if it's my turnnnnnn... :?

But,
[img]http://www.mineralmasterpiece.com/images/Specimens/P1/MMB-669xLv2_Schorl.jpg[/img]
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)

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Allinea
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Re: Rocks and Minerals Question Marathon

Post by Allinea » November 16th, 2012, 3:31 pm

That would be sphalerite.
2013-2014 Season: [Boyceville/Conference/River Falls/Regions/State]
WIDI[2/-/6/2/x]
Rocks[5/1/3/-/x]
Glider[13/8/x/-/x]
Rollercoaster[3/-/12/2/x]
Sustainability[12/-/7/-/-]
Exp. Design[-/3/-/-/-]

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Re: Rocks and Minerals Question Marathon

Post by eox » November 16th, 2012, 6:19 pm

i'd think tourmaline (specifically schorl)

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Allinea
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Re: Rocks and Minerals Question Marathon

Post by Allinea » November 16th, 2012, 6:40 pm

eox wrote:i'd think tourmaline (specifically schorl)
Did you guess that from the url? If not how did you tell the difference?
2013-2014 Season: [Boyceville/Conference/River Falls/Regions/State]
WIDI[2/-/6/2/x]
Rocks[5/1/3/-/x]
Glider[13/8/x/-/x]
Rollercoaster[3/-/12/2/x]
Sustainability[12/-/7/-/-]
Exp. Design[-/3/-/-/-]

eox
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Re: Rocks and Minerals Question Marathon

Post by eox » November 16th, 2012, 10:33 pm

Allinea wrote:
eox wrote:i'd think tourmaline (specifically schorl)
Did you guess that from the url? If not how did you tell the difference?
Tourmaline frequently forms columnar (idk if thats the right term) shapes.
and schorl is completely jet black.
so columns of jet black mineral usually remind me of tourmaline schorl

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Re: Rocks and Minerals Question Marathon

Post by hotchocolate123 » November 17th, 2012, 12:30 pm

Yup! I agree with eox :D Your turn!
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)

thsom
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Re: Rocks and Minerals Question Marathon

Post by thsom » November 19th, 2012, 10:11 am

Since nobody has gone (please don't hate me) may I?
Image
What are these two minerals?
What are their crystal's shapes?

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