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Re: Rocks and Minerals Question Marathon

Posted: November 11th, 2011, 8:00 am
by tornado guy
[img]http://www.mii.org/Minerals/Minpics1/FeldsparMicrocline.jpg[/img]

Re: Rocks and Minerals Question Marathon

Posted: November 11th, 2011, 6:34 pm
by Wadhk
Feldspar? K Al Si3 O8

Re: Rocks and Minerals Question Marathon

Posted: November 12th, 2011, 12:45 pm
by tornado guy
Feldspar? K Al Si3 O8
Correct.

Re: Rocks and Minerals Question Marathon

Posted: November 12th, 2011, 5:16 pm
by Wadhk
Someone else can post the next question.

Re: Rocks and Minerals Question Marathon

Posted: November 12th, 2011, 8:55 pm
by tornado guy
Identify
Image

Re: Rocks and Minerals Question Marathon

Posted: November 12th, 2011, 10:11 pm
by PacificGoldenPlover
Anthracite?

Re: Rocks and Minerals Question Marathon

Posted: November 14th, 2011, 5:17 pm
by quizbowl
I can verify that as anthracite. Your go, PGP.

Re: Rocks and Minerals Question Marathon

Posted: November 15th, 2011, 7:50 am
by tornado guy
Sorry, I forgot that I posted the last question! Anyhow; you're correct, it's anthracite.

Re: Rocks and Minerals Question Marathon

Posted: November 15th, 2011, 8:16 pm
by PacificGoldenPlover
[img]http://mineralminers.com/html/lepm154.jpg[/img]

Re: Rocks and Minerals Question Marathon

Posted: November 15th, 2011, 9:44 pm
by yogoperson
[img]http://mineralminers.com/html/lepm154.jpg[/img]
I Think Lepidolite?

I CAN'T HIDE THIS. I DUNNO HOW. I'M SORRY.

~Somebody can post for me, I'm going into a hiatus for a few days. ish~