Has anyone ever seen this kind of rock?

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Offline bimbim74743

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Has anyone ever seen this kind of rock?
« on: 04/09/2009 20:48:32 »
I would like to know what this rock is? It's 7 inches long and 4 inches wide and heavy

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Offline RD

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Has anyone ever seen this kind of rock?
« Reply #1 on: 04/09/2009 21:02:16 »
A guess ... Red Chert ?

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Offline coquina.rocks

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Has anyone ever seen this kind of rock?
« Reply #2 on: 05/09/2009 01:21:07 »
Where did you get it? Did you tumble it to polish it? How heavy is it in comparison to an ordinary rock of the same approximate size? How hard is it? Will a file scratch it? Will it scratch glass?

It sorta reminds me of glass slag, are you sure it's a natural mineral?

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Offline JimBob

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Has anyone ever seen this kind of rock?
« Reply #3 on: 05/09/2009 04:27:36 »
Looks like a couple of pieces or kneaded play-doh. However, if a rock it is a likely a jasperoid or agate.
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