Rocks & Minerals B/C

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

Post by bhavjain »

Gonna start this back up...
[img]https://s-media-cache-ak0.pinimg.com/originals/a8/86/af/a886af12ae491c563294c39e1c38e9b6.jpg[/img]
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Re: Rocks & Minerals B/C

Post by Magikarpmaster629 »

bhavjain wrote:Gonna start this back up...
[img]https://s-media-cache-ak0.pinimg.com/originals/a8/86/af/a886af12ae491c563294c39e1c38e9b6.jpg[/img]
Limonite!
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Re: Rocks & Minerals B/C

Post by bhavjain »

Magikarpmaster629 wrote:
bhavjain wrote:Gonna start this back up...
[img]https://s-media-cache-ak0.pinimg.com/originals/a8/86/af/a886af12ae491c563294c39e1c38e9b6.jpg[/img]
Limonite!
Yep, your turn.
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Re: Rocks & Minerals B/C

Post by Magikarpmaster629 »

Okay!

ID:
Image
This one's a little tricky
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Re: Rocks & Minerals B/C

Post by bhavjain »

Magikarpmaster629 wrote:Okay!

ID:
Image
This one's a little tricky
Specular hematite...thought it might be magnetite for a bit :P How do you tell the difference?
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Re: Rocks & Minerals B/C

Post by Magikarpmaster629 »

bhavjain wrote:
Magikarpmaster629 wrote:Okay!

ID:
Image
This one's a little tricky
Specular hematite...thought it might be magnetite for a bit :P How do you tell the difference?
Magnetite has an octahedral crystals and usually shows some cleavage; neither of which is true of hematite. Also magnetite is magnetic :D

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Re: Rocks & Minerals B/C

Post by bhavjain »

[img]https://i.gyazo.com/3d430e1aabd662622d0cf6cc0e9c3a21.jpg[/img]
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Re: Rocks & Minerals B/C

Post by Magikarpmaster629 »

bhavjain wrote:
[img]https://i.gyazo.com/3d430e1aabd662622d0cf6cc0e9c3a21.jpg[/img]
I'll go with augite, although I'm not entirely sure about that.
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Re: Rocks & Minerals B/C

Post by bhavjain »

Magikarpmaster629 wrote:
bhavjain wrote:
[img]https://i.gyazo.com/3d430e1aabd662622d0cf6cc0e9c3a21.jpg[/img]
I'll go with augite, although I'm not entirely sure about that.
Correct. Your turn!
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Re: Rocks & Minerals B/C

Post by Magikarpmaster629 »

ID
Image
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