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You have a rock

Updated Thursday, 28th September 2006

So, you have a rock... but what sort?

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What rocks are these?

You have identified that your sample is a rock. If this is incorrect, try again.

Thinking about the texture of your rock now, what does it appear to be from?

The rock appears to be comprised of fine grains

The rock appears to be comprised of larger grains, visible without the aid of a microscope

The rock appears to be comprised of crystals


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