• Umbrias@beehaw.org
      link
      fedilink
      English
      arrow-up
      1
      ·
      edit-2
      9 months ago

      Sand, but sharp due to a lack of water erosion, and formed mostly from asteroid impacts and thermal cycling. So it’s more like glass dust. It’s possible it has similar effects on lungs as asbestos, but we don’t know for sure.