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

Post by John Richardsim »

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

Post by John Richardsim »

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

Post by Magikarpmaster629 »

John Richardsim wrote: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

Post by John Richardsim »

Magikarpmaster629 wrote:
John Richardsim wrote: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

Post by azuritemalachite »

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

Post by John Richardsim »

azuritemalachite wrote:
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

Post by azuritemalachite »

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)!
azurite>malachite>chrysocolla
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Re: Rocks & Minerals B/C 2017

Post by Magikarpmaster629 »

Top: Marble
Bottom: Quartzite
Ladue Science Olympiad (2014ish-2017)

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Re: Rocks & Minerals B/C 2017

Post by azuritemalachite »

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

Post by Magikarpmaster629 »

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.
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