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identify floating rock please

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  • 11-01-2014 10:35am
    #1
    mayobumblebee
    Registered Users Posts: 236 ✭✭


    hi i was wondering if anyone could help me with the identification of this rock. we live by the sea and these wash up from time to time. it floats aswell if this helps it looks a little glass like under a scope

    thanks in advance


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  • Options
    #2
    Rovi
    Closed Accounts Posts: 8,570 ✭✭✭Rovi


    Pumice or Scoria

    Volcanic rock composed mostly of air spaces.


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    #3
    mayobumblebee
    Registered Users Posts: 236 ✭✭mayobumblebee


    id believe scoria its too dark for pumice thanks for the identification it washes up here from time to time and we have often wondered what it is


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    #4
    slowburner
    Moderators, Science, Health & Environment Moderators Posts: 5,219 Mod ✭✭✭✭slowburner


    mayobumblebee wrote: »
    id believe scoria its too dark for pumice thanks for the identification it washes up here from time to time and we have often wondered what it is
    Now the question arises of its origin and how it arrived.


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