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  • 06-04-2021
  • Chemistry
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Why does granite have larger crystals than obsidian?

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mg989217 mg989217
  • 06-04-2021

Answer:Granite forms as magma cools far under the earth's surface. Because it hardens deep underground it cools very slowly. This allows crystals of the four minerals to grow large enough to be easily seen by the naked eye. Look at the photo of granite above, notice the different crystals in the rock

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