The Naked Scientists

The Naked Scientists Forum

Author Topic: Can anyone identify this in carbon black limestone please?  (Read 1996 times)

Offline Steve123

  • First timers
  • *
  • Posts: 1
    • View Profile
I am a landscape gardener and recently ordered some Carbon black limestone for a patio I was Laying at home. I opened the pallet and whilst laying a stone it broke and this is how it looks inside. Can anyone tell me what it is please? It wont stick to a magnet but it is quite hard. Thanks, any ideas appreciated. Trying to upload a picture.


 

Offline Bill S

  • Neilep Level Member
  • ******
  • Posts: 1802
  • Thanked: 11 times
    • View Profile
Hi Steve, good luck with the picture upload; I'm looking forward to seeing it.  In the meantime, if you could get a better idea of the hardness - compare to copper coin, knife blade etc.  Also, if you can scratch it with a knife, what colour is the streak?  Does it react with acid?  These things would help
 

Offline RD

  • Neilep Level Member
  • ******
  • Posts: 8124
  • Thanked: 53 times
    • View Profile
« Last Edit: 16/08/2013 07:01:54 by RD »
 

Offline Bass

  • Neilep Level Member
  • ******
  • Posts: 1338
  • Thanked: 5 times
    • View Profile
Don't forget chert layers, or metallic minerals deposited in a reducing  (carbon rich) environment.
 

The Naked Scientists Forum


 

SMF 2.0.10 | SMF © 2015, Simple Machines
SMFAds for Free Forums