Rocks and Minerals Question Marathon

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tornado guy
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Re: Rocks and Minerals Question Marathon

Postby tornado guy » November 11th, 2011, 8:00 am

[img]http://www.mii.org/Minerals/Minpics1/FeldsparMicrocline.jpg[/img]
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Re: Rocks and Minerals Question Marathon

Postby Wadhk » November 11th, 2011, 6:34 pm

Feldspar? K Al Si3 O8
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Re: Rocks and Minerals Question Marathon

Postby tornado guy » November 12th, 2011, 12:45 pm

Feldspar? K Al Si3 O8
Correct.
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Re: Rocks and Minerals Question Marathon

Postby Wadhk » November 12th, 2011, 5:16 pm

Someone else can post the next question.
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Re: Rocks and Minerals Question Marathon

Postby tornado guy » November 12th, 2011, 8:55 pm

Identify
Image
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Re: Rocks and Minerals Question Marathon

Postby PacificGoldenPlover » November 12th, 2011, 10:11 pm

Anthracite?
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Re: Rocks and Minerals Question Marathon

Postby quizbowl » November 14th, 2011, 5:17 pm

I can verify that as anthracite. Your go, PGP.
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Re: Rocks and Minerals Question Marathon

Postby tornado guy » November 15th, 2011, 7:50 am

Sorry, I forgot that I posted the last question! Anyhow; you're correct, it's anthracite.
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Re: Rocks and Minerals Question Marathon

Postby PacificGoldenPlover » November 15th, 2011, 8:16 pm

[img]http://mineralminers.com/html/lepm154.jpg[/img]
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Re: Rocks and Minerals Question Marathon

Postby yogoperson » November 15th, 2011, 9:44 pm

[img]http://mineralminers.com/html/lepm154.jpg[/img]
I Think Lepidolite?

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Last edited by yogoperson on November 17th, 2011, 10:22 pm, edited 2 times in total.
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