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What stone might this be?

B3B3 Posts: 27,505
in The potting shed
It is a very heavy slab that we use as a table surface in the corner of a right angled  seating area. I've cleaned the surface but some of the dirt seems to have got under the surface  
It would be good to know what it is so that we can see if it's  possible  to brighten it up.
I assume it's some sort of composite  

In London. Keen but lazy.
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Posts

  • LynLyn Posts: 23,190
    Is it heavy,  could be rough granite.
    Gardening on the wild, windy west side of Dartmoor. 

  • B3B3 Posts: 27,505
    Thanks @Lyn . That or quartz, I was thinking.. Is quartz lighter? The slab  really heavy.
    In London. Keen but lazy.
  • Slow-wormSlow-worm Posts: 1,630
    Quartz is 'quite' heavy, but not as heavy as granite. It doesn't really look like the way quartz grows. 
  • LynLyn Posts: 23,190
    That’s lichen in the little pockets, it should pick out or use a wire brush.
    Gardening on the wild, windy west side of Dartmoor. 

  • LynLyn Posts: 23,190
    Can you get a picture of the stone’s edge rather than it’s flat. 
    Gardening on the wild, windy west side of Dartmoor. 

  • B3B3 Posts: 27,505
    Those dark bits are goldy brown bits of the stone. Will go and get a photo now @Lyn
    In London. Keen but lazy.
  • B3B3 Posts: 27,505
    Not much use, I'm  afraid.  The chap who gave it to us was kind enough to smooth it all down.
    I've included another pic to show the coppery bits more clearly  


    In London. Keen but lazy.
  • LynLyn Posts: 23,190
    I can see they’re not bits of lichen in your last picture,  OH says it’s granite and the red bits are impurities.
    He doesn’t know where it came from but it’s not Cornish or Dartmoor. 

    Gardening on the wild, windy west side of Dartmoor. 

  • B3B3 Posts: 27,505
    Thanks very much and to your OH too. If only all impurities were as pretty @Lyn
    In London. Keen but lazy.
  • Pete.8Pete.8 Posts: 11,340
    I'd imagine a pH neutral granite cleaner is what you'd need and a nail brush.
    Looks a lovely bit of stone! 


    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
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