Rocks & Minerals B/C 2017

Test your knowledge of various Science Olympiad events.
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John Richardsim
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » August 1st, 2016, 10:53 am

Yep, your turn.
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » August 4th, 2016, 12:01 pm

Alright, for the sake of keeping this going:
[img]http://www.mindat.org/hpthumbs/HP_51835_800_602.jpg[/img]
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Re: Rocks & Minerals B/C 2017

Postby Magikarpmaster629 » August 4th, 2016, 1:06 pm

Alright, for the sake of keeping this going:
[img]http://www.mindat.org/hpthumbs/HP_51835_800_602.jpg[/img]
Gypsum var. Selenite
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » August 4th, 2016, 1:11 pm

Alright, for the sake of keeping this going:
[img]http://www.mindat.org/hpthumbs/HP_51835_800_602.jpg[/img]
Gypsum var. Selenite
Try a less wild guess.
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Re: Rocks & Minerals B/C 2017

Postby azuritemalachite » August 4th, 2016, 2:07 pm

Chalcedony? or at least a quartz?
azurite>malachite>chrysocolla
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Re: Rocks & Minerals B/C 2017

Postby John Richardsim » August 4th, 2016, 2:15 pm

Chalcedony? or at least a quartz?
Is that a question or an answer?

...jk, yep, your turn.
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Re: Rocks & Minerals B/C 2017

Postby azuritemalachite » August 4th, 2016, 2:22 pm

I usually mix these two up...so just ID!
ImageImage
EDIT: One picture didn't work, so new picture for that one (but same specimen)!
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Re: Rocks & Minerals B/C 2017

Postby Magikarpmaster629 » August 4th, 2016, 7:15 pm

Top: Marble
Bottom: Quartzite
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Re: Rocks & Minerals B/C 2017

Postby azuritemalachite » August 5th, 2016, 1:50 pm

Correct!
azurite>malachite>chrysocolla
Come to Pangea today all around the globe. Our formal dinners are to die for! All dishes served on tectonic plates.
Don't be Angara that all the jokes are Gondwana.
PM any rock or mineral question! :arrow:

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Re: Rocks & Minerals B/C 2017

Postby Magikarpmaster629 » August 5th, 2016, 6:32 pm

While we're differentiating similar-looking specimens, how about these two (ID them)?
[img]http://img07.deviantart.net/7c9a/i/2013/271/7/8/rhyolite_porphyry_by_elfowl245-d6odkdy.jpg[/img]
and
[img]http://waynesword.palomar.edu/images2/PorAndesite1c.jpg[/img]
Ladue Science Olympiad (2014ish-2017)

A wild goose flies over a pond, leaving behind a voice in the wind.
A man passes through this world, leaving behind a name.


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