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Help identify about stone

Posted by Minseeker  
Minseeker
Help identify about stone
March 08, 2013 03:44PM
This stone was found in North West Africa in desert region.
Its known charactertics are:
stick on magnet
560 gramme on weight
have finess crust
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open | download - 100_3004.JPG (858.5 KB)
open | download - 100_3005.JPG (876 KB)
open | download - 100_3006.JPG (988.2 KB)
avatar Re: Help identify about stone
March 08, 2013 03:47PM
    
The surface is desert varnish.
avatar Re: Help identify about stone
March 08, 2013 04:46PM
I agree with Rob, and there is most probably some magnetite in the rock.
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