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Found 17 results

  1. Hello ! I bought this at a Flea Market in California years ago for a dollar. It was in a box of rocks and Geodes. I recently got a rock ID App & this one keeps returning as Opal. It’s got a good weight to it so I figured it’s a Geode. But I once saw a fossilized egg that had the same odd Conical edge to it & now I’m wondering if it’s an egg of some sort. The exterior has an interesting texture to it. The inside of the exterior has golden bits that look like Amber almost. Is there such a thing as Fossilized Egg Whites? Thanks for any info . Gratitude, FrankB
  2. I recently discovered an opalized fossil from Lightning Ridge, Australia, available for sale online. The seller asserts that it is either a mammal or primate tooth fossil. As I'm unfamiliar with fossils from the Lightning Ridge region, identifying it is beyond my capability. Can anyone help me in determining whether it is a mammal or primate tooth fossil?
  3. Exoticminerallennial

    Fossil Expert in Southern California

    Greetings, is there anyone that could recommend a fossil expert located in Southern California that could come on site to certify a series of dinosaur fossils that have been uncovered. Specifically, petrified/opalized dinosaur fossils. Thanks in advance!
  4. A friend of mine gave this to me recently and I was wondering if it was legitimate or not, because neither of us could easily tell.
  5. High-tech tools reveal opalized fossil skeleton by Flinders University, August 29, 202 Absolute gem of a find: Opalised dinosaur fossil studied using innovative 3D printing technology. The rare fossils may represent a new Australian dinosaur species Cosmos Magazine, August 29, 2022 Dinosaur Bones Shimmering With Opal Reveal a New Species in Australia A discovery in an Australian opal mine remained unexamined for three decades—it turned out to be the most complete opalized dinosaur skeleton in the world, Gemma Conroy, Smithsonian,June 3, 2019 “Opalized” Dinosaur Skeleton Discovered 30 Years Ago, Now Scientists Have Named the Species. One man was hunting gems and found a load of natural history instead. Rose Heichelbech, Dusty Ol Thing Bell, P.R., Brougham, T., Herne, M.C., Frauenfelder, T. and Smith, E.T., 2019. Fostoria dhimbangunmal, gen. et sp. nov., a new iguanodontian (Dinosauria, Ornithopoda) from the mid- Cretaceous of Lightning Ridge, New South Wales, Australia. Journal of Vertebrate Paleontology, 39(1), p.e1564757. Yours, Paul H.
  6. goldsmacker

    Opalised Dino Tooth? Pic Heavy

    Hello everyone I have recently obtained an opal parcel of rough to cut into gems from the opal fields at lightning ridge Australia, however right before I was about to grind this one rough opal something stood out. I remembered walking in the natural history museum in Sidney Australia and noticed the opalized teeth of varies animals/dinos etc. This one was just like one I had seen many years ago. I cleaned it only; no polish just water and a soft paintbrush as not to alter it. From my research, I found a possible match a Hypsilophodon it lived in the area where lightning ridge opals are found and some recorded fossils of this dino are sometimes unearthed there in small pieces. I have tried to contact museums and or universities as I live near OSU and they have one of the best paleontological programs in the country (or so I’m told) and have not heard back after 6 months of trying from any of them. I would like to know if it is a real opal replacement of a tooth or a lookalike. It measures 13.33mm long X 10.9mm wide X 4.02mm thick. And is very detailed under a microscope with tooth like root. Any ideas? I have cut thousands of opals from rough, and have seen millions of pieces of rough easy, including opalized fossils, even some plesiosaurs teeth but never this. The miner, who sold me the opals, said that he has been finding some opalized dino bone fragments lately but they are unidentifiable as they are crushed, and very small pieces, and I also purchased a opalized finger or toe bone from a very nearby find, possibly a turtle flipper bone.
  7. katherine1977

    Strange Specimen

    Received in an opal parcel, i have been told this is a fossil, maybe of a plant stem. If so, i would like to at least put a definite name of some sort on it. Any and all help is appreciated! feel free to ask any questions! Thank you! IMG_2225.MOV
  8. Okay so now that I have found a group of individuals to help me identify.... I would love to know what find of petrified wood I have collected.. species and mineralization would be helpful. I have stuff that I can't find online. I'll start with the first two that I can't even tell if they are wood or not... All help is incredibly appreciated. Found these two river tumbled pieces south of Green River, Utah. Jurassic I think? Very different from everything else in the field.. Looks agatized? Thank you! Trenton
  9. fireagateJim

    Opalized gastropod?

    I've seen a lot of opalized fossils but none exactly like this so I was wondering if anybody could help me pinpoint exactly what it is and if it holds any value? The specimen is roughly 25 mm, semi translucent and has a fair amount of color.
  10. I have found a burned petrified and opalized tree buried under a hundred feet of basalt with plenty of mineralization. I am trying to find out where i can have it identified and appraised. Thank you for your help. This was found in the northwest United States in the Colombia river gorge in Oregon.
  11. winnph

    Petrified wood?

    Hi all! Just got back from a weekend hiking along the Olympic Peninsula oceanside beaches with my family. I usually pick up a few beach stones on trips like this, and his particular stone caught my eye because the lighter colored streaks sparkle a bit in an opal-y kind of way. When you hold it to the light you can see a pretty clear wood grain/ring pattern, with the opalized bits filling where you might imagine cracks in the wood to have been. I know this is hard to be sure from photos but just curious if others agree that this appears to be petrified wood.
  12. Paleoworld-101

    Opalised Bivalve Shell #1

    From the album: Opalised Fossils

    Name: Opalised Bivalve Shell Age: 110 million years old Locality: Lightning Ridge, New South Wales, Australia Formation: Griman Creek Formation Length: 25mm Notes: This is an opalised bivalve shell from Australia. Unlike the marine shells from Coober Pedy, the other hotspot for opalised fossils in Australia, the shells from Lightning Ridge are less common and come from a freshwater river environment. This one is open, and clearly shows the ridged pattern of the shell it once was. A nice addition to my opal fossil collection.
  13. Paleoworld-101

    Opalised Belemnite #1

    From the album: Opalised Fossils

    Name: Opalised Belemnite Pipe Age: 120 million years old Locality: Coober Pedy, South Australia Length: 60mm long Notes: This is an opalised belemnite pipe from Australia. It originates from the Cretaceous marine deposits of Coober Pedy and is transparent when held up to a strong light. It is also quite a large example.
  14. Paleoworld-101

    Opalised Belemnite #2

    From the album: Opalised Fossils

    Name: Opalised Belemnite Pipe Age: 120 million years old Locality: Coober Pedy, South Australia Length: 52mm long
  15. Paleoworld-101

    Opalised Dinosaur Vertebra (Photo 2)

    From the album: Opalised Fossils

    Name: Opalised Dinosaur (Caudal?) Vertebra Age: 110 million years old Locality: Lightning Ridge, New South Wales, Australia Formation: Griman Creek Formation Length: 16mm end to end Notes: This is an opalised dinosaur vertebra from Australia. I originally bought it as an opalised 'reptile' vertebra but it's ID as being a dinosaur vertebra was confirmed by one of the leading experts on the opalised fossils of Lightning Ridge. It is likely a juvenile ornithopod or theropod vertebral centrum, missing the tall neural arch. It is semi-transparent when held up to a strong light and is an exceptionally rare specimen. So far it is the only vertebrate fossil in my opalised fossils collection but I hope I am able to acquire more soon. Specimens like this very rarely come up for sale as most of them end up in museum collections due to their rarity and scientific value
  16. Paleoworld-101

    Opalised Dinosaur Vertebra (Photo 1)

    From the album: Opalised Fossils

    Name: Opalised Dinosaur (Caudal?) Vertebra Age: 110 million years old Locality: Lightning Ridge, NSW, Australia Formation: Griman Creek Formation Length: 16mm end to end Notes: This is an opalised dinosaur vertebra from Australia. I originally bought it as an opalised 'reptile' vertebra but it's ID as being a dinosaur vertebra was confirmed by one of the leading experts on the opalised fossils of Lightning Ridge. It is likely a juvenile ornithopod or theropod vertebral centrum, missing the tall neural arch. It is semi-transparent when held up to a strong light and is an exceptionally rare specimen. So far it is the only vertebrate fossil in my opalised fossils collection but I hope I am able to acquire more soon. Specimens like this very rarely come up for sale as most of them end up in museum collections due to their rarity and scientific value.
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