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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. G00dfella4024

    septarian concretion??

    What do you think. Found in James river. Central Virginia
  2. Hi guys, I recently started learning to fossil hunt for my son as he loves dinosaurs and on our first trip we found this in a limestone. I am completely new and really sorry if this borders on an insult to some of your experience but I have no idea whether to crack the rock open and have a look or whether I’d end up breaking a fossil of some kind if I did or whether it is just a mineral running through of some sort! There was a much larger rock with the same streaks but in a diamond shape on the beach so if it is a fossil I’ll be running back there ASAP Tha
  3. Further

    River bones...?

    These were all found in the same river, over time. It is a river in SE Texas known for fossil finds from large mammals in the Pleistocene. I think due to their river tumbling they are not identifiable, but I just wanted to see if it is possible they could be some type on mineral rather than bones? Pics are front back. We find a lot of petrified wood in the area too, but it normally looks distinct from this. The two on the left almost look like they are variations of the same thing, and the one second from left has some kind of almost enamelish looking stuff in threads on the surface. Non
  4. T. nepaeolicus

    Fossil Shell or Odd Mineral?

    Are these fossil shells with odd mineralization or a mineral of some sort?
  5. Rumpeltroll

    Is this a fossil or just a mineral?

    I was wondering if someone knows if this is a fossil. Since it might just be a mineral? Anyway it weights 1 kg so its heavy, and also found in the Philippines. Any guess or answer is appreciated
  6. Looking to try a new twist to the blind trade. I propose a blind trade for one item only. It can be a fossil or a mineral. Is anybody out there interested? I only ask no junk/ scraps. One decent item for another.
  7. Vnaz50

    Id help

    San Antonio, Tx Another piece from my backyard. I’ve already done a vinegar test on it. It also coming from this spot.
  8. Vnaz50

    Odd texturing

    San Antonio, Tx This one had an odd coloring and texture. Looks like shell and sediment.
  9. I made this a few years ago and I'm not sure if I shared it with the group or not. Its something I came up with and thought it would be cool to frame and hang near my desk. Its not fancy and the verbiage might not be precise but I think you get the Idea Besides fossils, I collect specimen grade seashells, minerals, skulls, and artifacts (I include artifacts into Natural History). I made/printed one off for each collection. Happy Collecting!
  10. MacHoffman22

    Amber or not?

    I have been finding a lot of these recently. They are waxy to the touch and come in a variety of pale white to orange tinted. Are these pieces of amber or are they some other kind of mineral? Thanks!
  11. So, I know fossils are largely replaced by minerals which turn them to stone in the shape of the original (bone, tooth, whatever). But do some minerals survive? For instance, does the original calcium in the tooth or bone remain? What percent of a fossil would you guess is original mineral vs replaced mineral?
  12. PrehistoricWonders

    NJ gem, mineral, and fossil show

    Hi all, I was wondering if anyone was going to the NJ gem, mineral, and fossil show... I’m considering going, but I wouldn’t be super interested if there aren’t many fossil dealers, I was also wondering if anyone knows how many dealers are going to be there. TIA!
  13. Bradley Flynn

    Mineral, sponge or coral?

    Found this in the same location I found the shell fossils in my previous ID post.
  14. Hey everyone! Is anyone going to attend the Denver Mineral and Fossil show this September? It runs from 11-19 September. Now that I live relatively close I want to try to go this year. I would like to meet any of you amazing people if possible there.
  15. Torie

    Missouri Mineral/Fossil ID

    Found in Jackson County Missouri (I didn't find it myself, but I can most likely get more info on location it was found.) I do believe it was found in a dirt road alley. Long dark grey and brown striations, that cannot be scratched with my nail. Then on one side in a few large chunks, an orange/brown (rust colored) residue, that can be scratched off. I thought my pictures were going to look much better than this. So I can get better pictures ASAP if need be. Let me know any other information I need to provide. Thank you for looking! Hope everyone is
  16. Hello, I've been intrigued by this for days, and I am wondering if it is a fossil or not? Found in Northamptonshire, UK, which is mostly Jurassic in age. I've found Bivalves, belemnites and some gastropods in the same area. Sorry there's no scale, its about 5mm. Thanks.
  17. Hi all, I found this in a stream in Eureka, MO, USA. If anyone can help me with identifying, please do!
  18. Fossil found in stream in Eureka, MO, USA. About 3 inch long; 1 inch thick.
  19. Jman

    Fossil question

    I was wondering if anyone knew any good places to hunt fossils or rocks in Minnesota where I live or Wisconsin
  20. I found this fossil / mineral over at Folkestone, and would really appreciate any help in identifying it. It looks like it could be part of a larger organism, but also appears rather crystalline in shape. Does anyone have any ideas on this?
  21. Pbassham

    Ancient alien bite mark!

    The bite mark(lol I know it’s not a bitemark) is an inch long and ONLY that part has crystalline chips in it. Any help would be appreciated.
  22. I_gotta_rock

    Fluorescent Bacculites.jpg

    From the album: Fossil Flourescence

    I was playing around with the UV lamp in my lab, seeing what might unexpectedly glow this afternoon. This was a nice surprise. It's an internal mold of Bacculites sp. with sutures that fluoresce orange under 345nm UV light. Bright orange like this usually indicates calcite, a mineral that makes up fossil shells and some modern ones, too. Between the mud-filled chambers, the shell was preserved while the exterior of the cone wore away. The shell material was either calcite to begin with or, more likely, began as aragonite (same chemical compound as calcite, but different crystal structure and g

    © C. 2020 Heather J M Siple

  23. Ezio Bonsignore

    Fossils, or...?

    I tough these two "things" were coprolites (cut and polished), but after taking a look at past discussions here I'm no longer sure. On other other hand, I don't know of minerals that would grow on a spiral. What do you think? Diameter is about 10cm and 5cm, respectively. No idea about provenance - both bought at flea markets in Germany. Thanks in advance
  24. I have been unsuccessful in getting information about this on the general internet (the All-Knowing Google failed me, AGAIN! ). How in the world can you tell if a rock that you have in hand is a stromatolite as opposed to just a rock with striations- like agate or something? Especially if the stromatolite has had a section cut and polished?
  25. DenisD

    Possible fossil find

    As a newbie first of all Hello everybody Today I was hiking and found an interesting rock along side the old mine road. Knowing that this type of rock may contain crystals I had it split open. It was quite a big rock, but the crystals were so tiny I could hardly see them...so anyway I was about to dispose of it when I noticed something unusual. To me it looks like a piece of a small perforated skin...but to be honest I have no clue what it might be... Any thoughts?
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