Opalized fossils are rare and visually stunning remnants of ancient life, formed when silica-rich water replaces the organic remains of once-living organisms with opal— www.geologyin.com/2017/03/how-...
Replies
My favorite instance of this was when a majority of a plesiosaur skeleton was found opalized in Australia. All the photos I can search of it are relatively dull, but I bet it's even better in-person.
aug 11, 2025, 6:50 am • 1 0 • view
@lorenschmidt.bsky.social Opalized giant crabs with crystals growing on their shells. Just saying :)
aug 2, 2025, 1:41 pm • 1 0 • view
ooh i didn't know this could happen with opals! it so happens that remineralization is a really active thread in the world building...
aug 2, 2025, 3:11 pm • 1 0 • view