• BarqsHasBite@lemmy.worldEnglish
    22·
    15 days ago

    Photomicrographs of feldspathic (L) and lithic ® greywacke. The top images are in plane-polarized light; the bottom images are in cross-polarized light. Cements fill the pore spaces.

    Closeup of Pharaoh Menkaure’s greywacke statue, 25th century BCE, from the Egyptian Museum in Cairo

    • Yokozuna@lemmy.worldOPEnglish
      2·
      15 days ago

      For some reason the images aren’t showing up for me. I’m using Sync on my phone - are these images formatted correctly? If they are I’m gona send a bug report to the dev 🙃