Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 4:10 pm
ANYONE? 
If not, I'll just say what it is... And you'll probably be surprised.
If not, I'll just say what it is... And you'll probably be surprised.
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Rocks and Minerals Question Marathon
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Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 5:59 pm
er...I can't see it... >.>
Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 6:16 pm
I couldn't either, so I quoted it and copied the link and found the picture that way.aznluvsricemhm wrote:er...I can't see it... >.>
Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 6:32 pm
This is the url, if you need it...
http://www.mindat.org/photos/0965242001248159497.jpg
Tornado guy, do you know what it is?
Hint: It's very close to Wadhk's guess
http://www.mindat.org/photos/0965242001248159497.jpg
Tornado guy, do you know what it is?
Hint: It's very close to Wadhk's guess
Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 6:34 pm
Is it limonite? I saw a piece of limonite similar to the looks of the mineral one you posted..
Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 6:35 pm
Yup. 
But, you have to answer the entire question first.
But, you have to answer the entire question first.Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 8:05 pm
limonite
ore of iron
orthorhombic crystal structure
im not quite sure as to what you mean by saying aggregates
but limonite forms very fine aggregates, Pyrite, Siderite, and Marcasite?
idk
ore of iron
orthorhombic crystal structure
im not quite sure as to what you mean by saying aggregates
but limonite forms very fine aggregates, Pyrite, Siderite, and Marcasite?
idk
Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 8:55 pm
Right-o.
C. Is actually amorphous.
D. Looking for: earthy, massive, botryoidal, mammilary stalactitic, and fibrous
C. Is actually amorphous.
D. Looking for: earthy, massive, botryoidal, mammilary stalactitic, and fibrous
Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 11:32 pm
ah
i see
can I still post one?
i see
can I still post one?
Re: Rocks and Minerals Question Marathon
Posted: April 6th, 2012, 11:37 pm
what is the crystal structure? What is a way to identify it? What is the color of it's streak? (for this one, I can accept many answers) [code]http://www.redorbit.com/media/uploads/2004/10/28_0ac371f570a8e0129ff11833b1cf20c7.jpg[/code]
just copy and paste