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Re: Rocks and Minerals Question Marathon

Posted: January 5th, 2012, 8:51 pm
by quizbowl
yay!
Image

Re: Rocks and Minerals Question Marathon

Posted: January 5th, 2012, 9:03 pm
by hexagonaria
my first impression is chalcedony, but im not sure. Its too late for me to think

Re: Rocks and Minerals Question Marathon

Posted: January 5th, 2012, 9:24 pm
by quizbowl
hexagonaria wrote:
my first impression is chalcedony, but im not sure. Its too late for me to think
Nope. Hint: this is a polished specimen.

Re: Rocks and Minerals Question Marathon

Posted: January 5th, 2012, 9:40 pm
by hexagonaria
celestite

Re: Rocks and Minerals Question Marathon

Posted: January 6th, 2012, 8:35 pm
by quizbowl
Good job! The colour is a great giveaway for that mineral.

Re: Rocks and Minerals Question Marathon

Posted: January 6th, 2012, 8:52 pm
by starfield
wait, I saw this picture before and it was for the mineral lepidote. Here's the website:
http://www.allipacha.com/store/crystals ... -7_54.html

Re: Rocks and Minerals Question Marathon

Posted: January 6th, 2012, 9:30 pm
by hexagonaria
quizbowl wrote:Good job! The colour is a great giveaway for that mineral.
yeah, i remember reading that its name means sky blue in latin.
starfield wrote:wait, I saw this picture before and it was for the mineral lepidote. Here's the website:
http://www.allipacha.com/store/crystals ... -7_54.html
thats really weird.. I've never seen lepidolite like that, but the internet doesn't lie. I mean, you know, usually.

I'd be interested to know where quizbowl got the image.

In the meantime, though, I'm just gonna go ahead and find something else to post, if that's cool with you guys.

Re: Rocks and Minerals Question Marathon

Posted: January 6th, 2012, 9:41 pm
by hexagonaria
[img]http://t0.gstatic.com/images?q=tbn:ANd9GcTEAAvTgoXZff1cztcfS5HbryJjTH7R1eV9fyFdaNjglKQ4f5IP[/img]

Re: Rocks and Minerals Question Marathon

Posted: January 7th, 2012, 10:40 am
by pinkyfinger
Pyrite dollars?

Re: Rocks and Minerals Question Marathon

Posted: January 7th, 2012, 10:55 am
by hexagonaria
pinkyfinger wrote:
Pyrite dollars?
yup.