GeologyRocksCan you help identify?
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John
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From your picture it could
Tue, 08/07/2012 - 09:00From your picture it could be almost anything. What springs to mind is either chalk -from the colour (but you say it came from a stream therefore it is unlikely) or flint. Without seeing the actual surface (it appears to be coated) or the inside, I don't think anyone can be 100% sure.
You should be very careful about what rocks you put in your fishtank. Rocks are comprised of minerals, and minerals, at the end of the day, are a bunch of chemicals, some of which can precipitate out.
John
“Civilisation exists by geological consent, subject to change without notice.” - Will Durant
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Can you help identify?
Submitted by indosia on Tue, 08/07/2012 - 08:38.Dug it out of the creek under the water. I typically look for rocks for my fish tank. I'm very picky with how I decorate it. Only the coolest looking rocks go in the tank. I like this one but I want to know what it is 1st.