Sunday, July 18, 2021

Name that rock

Update:

I am posting a new pic of this material, against a neutral background, an unpolished surface.

I believe this is called a metamorphic igneous rock. Does it have a name? It is from glacial gravel on the beach.


Previously Had:

Can anyone offer a clue about what kind of rock this is? It looked like granite at first but it is mostly a reddish mineral:


What I take to be a working edge, was upper-right in first pic, lower-right in second pic. Here:
at

2 comments :

  1. Norman6:49 PM

    The rock should be photographed against a neutral or light grey background to bring out the true color of the stone. And a close-up
    photo of a clean or broken surface would also help to identify the kind of stone.

    ReplyDelete
  2. Curtiss Hoffman10:21 PM

    Looks like a quartzite to me.

    ReplyDelete