Rocks & Minerals B/C ID/Question Marathon

Test your knowledge of various Science Olympiad events
rockster
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by rockster » 

Augite?
Senior year and ready to Rock the Rocks and Minerals :twisted:
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solakmagic
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by solakmagic »

I agree with rockster, as well as voice my hatred for this mineral.
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Celestite
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by Celestite »

Yup, Augite, right?
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solakmagic
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by solakmagic »

Revive?? 
[img]http://www.schoolersinc.com/images/wpe4A.jpg[/img]
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rockster
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by rockster » 

goethite and limonite?
Senior year and ready to Rock the Rocks and Minerals :twisted:
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solakmagic
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by solakmagic »

rockster wrote:
goethite and limonite?
Nope! (pseudomorph, fyi)
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by asthedeer »

Staurolite or galena? whats this one-very easy.....
http://galleryplus.ebayimg.com/ws/web/3 ... 0x1000.jpg

To make it harder, name its chemical composition, hardness, and class without looking in your book, the internet, or anywhere else.
solakmagic wrote:
rockster wrote:
goethite and limonite?
Nope! (pseudomorph, fyi)
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by coolkid »

I think the answer to solakmagic's question is magnetite, maybe?
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by XJcwolfyX »

asthedeer wrote:Staurolite or galena? whats this one-very easy.....
http://galleryplus.ebayimg.com/ws/web/3 ... 0x1000.jpg

To make it harder, name its chemical composition, hardness, and class without looking in your book, the internet, or anywhere else.
Quartz [Amethyst]
SiO4
7
Silicate
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darkdeserthighway
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Re: Rocks & Minerals B/C ID/Question Marathon

Post by darkdeserthighway »

XJcwolfyX wrote: Quartz [Amethyst]
SiO4
7
Silicate
XJcwolfyX, I think the overall formula is SiO2.
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