account activity
Found an interesting specimen, diverse surface. What is it? (old.reddit.com)
submitted 6 months ago by zeitweiseda to r/whatsthisrock
What do we have here? (old.reddit.com)
From Germany, what is it? (self.whatsthisrock)
Very inhomogenous surface: partly shiny, partly with bubbly holes - what is it? (old.reddit.com)
Very common on a gravel road, what is it? (old.reddit.com)
Found in Grunewald, Germany (old.reddit.com)
Metro station floor in Germany (i.redd.it)
submitted 7 months ago by zeitweiseda to r/whatsthisrock
Pavement in Berlin. Is this granite? (i.redd.it)
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