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  1. TheRocksWillShoutHisGlory

    Mazon creek iridescence

    I had a nodule that I picked up at pit 11 a couple of weeks ago split open, however basically everything about it has me stumped. There are tiny dark speks that are iridescent, some turn blue, others green and one of them pink with different light angles. Are these bits opalized? I'd like to know before doing anything else to prep it since opal can be sensitive to moisture. I've heard of iridescence in a lingula specimen, but other than that I'm unfamiliar with any mazon material having iridescence, and I'm wondering how that could happen inside a concretion. Furthermore any ideas what it is? random plant matter? coprolite? blank with mineralization?
  2. Those are microscopic images. what it is? Could it be a flower? Thanks.
  3. Vopros

    Could it be a bone

    The pictures are bad, besides it is an opal, which was probably photographed wet. However, maybe you would be able to suggest something by its shape? It is from Lightning Ridge, Australia. Thanks!
  4. peter mann

    Australia bone

    Hi i found this maybe pleciasaur opal bone inside an opal i bought can u tell me if it is a pleciasaur or other marine creature looks like either a rib bone or tail its about an inch in size
  5. Hi, I wonder if somebody knows what a freshwater snail could have been doing inside a broken freshwater mussel? Was it feeding on it? Was it seeking a shelter in it, or it is just an accident? Has somebody here seen such or a similar fossil of one shell inside another broken one? Thanks!
  6. Here are two microscopic images of an opal from Lightning Ridge, Australia. The piece of the opal I filmed is around 1/3 of the specimen length around 8 mm. The dimensions of this opal are 25.000 x 20.000 x 10.000 mm
  7. Vopros

    Is any a bone?

    Here are two opals from Lightning Ridge , Australia. They are wet (not my pictures), and no bone structure is seen, but just by looking at the shape, what do you think?
  8. brandon tibbetts

    Coprolite

    Wanted to share this coprolite with everyone!!!
  9. This is an opal from Lightning Ridge. Bought it as fossil wood. However, IMO it does not look as wood. To me it looks more as a Coprolite. Here is a video. It is 5 minutes long to show the specimen from different angles dry and wet, and there are some microscopic images by the end. What do you think? Thanks! https://youtu.be/j1b1RdRmZmU
  10. This is a shell from Lightning Ridge, Australia. It had something on it. Is this periostracum? if so how was it preserved in 3D. All images but the first one were taken under a microscope. Thanks!
  11. Vopros

    Boulder opal from Austraia

    Here is a boulder opal from Australia. The first image shows the whole specimen , all others are microscopic images. Dimensions are 78.540 x 58.070 x 28.670 mm what do you think? Thanks!
  12. Attached are 2 microscopic images of a little opal from Lightning Ridge. what it is? Thanks!
  13. Andre Pterosaur

    Rare Opalised fossils

    Hi Guys i am a collector of opalised fossils for 50 years. i have some very interesting and rare opalised fossils . these are some opalised fossils I have in my collection.
  14. Vopros

    Opal wood?

    it is from Lightning Ridge, Australia.
  15. Fossilfinder49er

    Opalised Eurypterid?

    This specimen appears to be an opalised/ fossilized marine invertebrate found in Washington state. The fossil is difficult to measure, but quite small (approx 3-5mm) in what I believe to be a type of crystal opal. The left eyeball appears very close to the surface and appears fully intact at certain angles, and distorted in others, resembling crystallisation. The entire specimen is a little over 3grams. Could anyone suggest the best place, preferably on the US West coast, to take this for further study? Having difficulty proving that these are not man-made. Cheers! Scott R
  16. Vopros

    Could it be a flower?

    The attached microscopic images are from a boulder opal from Australia, so more than 100 million years old. The fossils are very small, maybe a few millimeters in length. Could any of them be a flower? If no, what they are ?
  17. Here is another “forest floor” opal and this one has an opalised fungus, I believe. Here is a video of it and I attached some microscopic stills. What do you think? Is this one a fungus?
  18. Vopros

    Could it be a bone

    Could it be a bone? it is from Lightning Ridge, Australia. it is 30.000 x 20.000 x 6.000mm
  19. Andre Pterosaur

    Opal specimen Australia

    Another look at that opalised cracked specimen Here it’s a box with Shell on it
  20. Vopros

    Septarian or a fossil?

    It is probably not a fossil but just in case … The images are microscopic. Here is the video
  21. Hello again. I saw this on the internet today, I was wondering if it is real. I've seen similar fossils, but this one looks a little "put together". Let me know what you think!
  22. Here are some microscopic images of a boulder opal. It appears to have some prints of leaves and other fossils. What do you think? Is this a play of nature or these are really some fossils there? Here is a video of it
  23. Andre Pterosaur

    Opalised fossils

    A few rare opalised bones A Hornithopod Dinosaur cervical vertebrae from Lightning Ridge A small bone from Lightning Ridge A Belemnite and fish cartilage next to it embedded in matrix from Coober Pedy Three bones from Plesiosaur in Matrix opal from Andamooka A precious opal belemnite A plesiosaur femur ball joints was treated matrix opal A Dinosaur Limb bone splited internal bone marrow in precious opal Ornithopod bones
  24. Andre Pterosaur

    Opalised fossils

    A few Teeth A Pipis the soft tissues of Animal opalised ( geological miracle) A Gastropod with soft tissues opalised as well , after an event that Gastropod didn’t had time to retract in his shell and got mummified instantly in contact with high heat and salty water , after millions of years the cavity was replaced by silicate. It was studied from Paleontologie in Switzerland they told me it’s a Geological miracle when soft tissues are preserved.
  25. Vopros

    Opal pine cone

    In this video there are two pine cones. The big one is from Argentina, and the small one is an opal from Australia
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