Augite?
Rocks & Minerals B/C ID/Question Marathon
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Re: Rocks & Minerals B/C ID/Question Marathon
Senior year and ready to Rock the Rocks and Minerals ![Twisted Evil :twisted:](./images/smilies/icon_twisted.gif)
![Twisted Evil :twisted:](./images/smilies/icon_twisted.gif)
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Re: Rocks & Minerals B/C ID/Question Marathon
I agree with rockster, as well as voice my hatred for this mineral.
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Re: Rocks & Minerals B/C ID/Question Marathon
Revive??
[img]http://www.schoolersinc.com/images/wpe4A.jpg[/img]
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Re: Rocks & Minerals B/C ID/Question Marathon
goethite and limonite?
Senior year and ready to Rock the Rocks and Minerals ![Twisted Evil :twisted:](./images/smilies/icon_twisted.gif)
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Re: Rocks & Minerals B/C ID/Question Marathon
Nope! (pseudomorph, fyi)rockster wrote:goethite and limonite?
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Re: Rocks & Minerals B/C ID/Question Marathon
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.
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:Nope! (pseudomorph, fyi)rockster wrote:goethite and limonite?
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Re: Rocks & Minerals B/C ID/Question Marathon
I think the answer to solakmagic's question is magnetite, maybe?
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Re: Rocks & Minerals B/C ID/Question Marathon
Quartz [Amethyst]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.
SiO4
7
Silicate
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Re: Rocks & Minerals B/C ID/Question Marathon
XJcwolfyX, I think the overall formula is SiO2.XJcwolfyX wrote: Quartz [Amethyst]
SiO4
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Silicate
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