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Start a rock collection
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Start a rock collection

Start a rock collection! Label each one if you can. If you don't know the exact rock, label it with clues like color, heft, hardness and streak.
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The Challenge

Start a rock collection

Start a rock collection! Label each one if you can. If you don't know the exact rock, label it with clues like color, heft, hardness and streak.
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Create

Post your own creation!

Complete this challenge by posting your own project outcome.

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Break open a geode

Get started with Break open a geode. Explore the challenge below.

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Break open a geode

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