Saturday, January 18, 2014

rocks

obsidian is cool cause it forms when  lava cools.And it's called snowflake obsidian when it has white dots on it.


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2 comments:

  1. Arthur WendorfJanuary 20, 2014 at 6:18 AM

    So what is lava called when it just cools on its own?

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    1. Brazil BlendsJanuary 20, 2014 at 8:22 AM

      granite forms underground from lava! 0E (octopus)

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