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This mineral, called pyrite, is also known as “fool’s gold.” But this one only contains small crystals...
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Here are some giant pyrite crystals! This is their natural shape --this is how they were found!
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This rainbow-colored mineral, called bismuth, is one of the ingredients used in medicines that help an upset stomach!
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Some minerals, like tourmaline, have more than one color. This kind of tourmaline even has a special name... guess!
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It’s called watermelon tourmaline! This is a piece that's been sliced sideways so that you can see it better.
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These reddish-colored crystals are a mineral called crocoite. They look beautiful, but they're highly toxic!
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Some crystals form INSIDE of rock, and can only be found by breaking the rock open…
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This is a type of opal called "fire opal." See how it looks when you shine a bright light on it... (go to the next slide!)
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When the light shines just right on it, this piece of fire opal looks like it contains a miniature sky with clouds at sunset!
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  • Could dinosaurs live on Earth today?

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