DK Clip Art

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Images 11 of 241 - Agate crystals
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    Agate crystals
Description:
Agate is a variety of quartz, a common mineral. It is often found in volcanic and metamorhpic rocks. Agate can be used to make ornaments, but is also used in the chemical industry to make tools, as it is very hard and resistant to corrosion.
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Fringing coral reef
Offshore reef
Ring-shaped coral
Volcano
Pohutu geyser
Rock cycle
Beryl gemstone
Iron pyrites
Quartz crystal
Amethyst
Agate crystals
Soil profile