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  1. clamshellgeode

    Clamshell Geode, with dogtooth calcite

    I have this, what I call a clamshell Geode, dogtooth calcite ? Please help me identify this piece! I can't find another one with both halves. Can you find one with both halves with a geode inside?
  2. Hello everyone! I'm typically a Cretaceous collector but spent the last month in Long Beach Island (LBI) New Jersey so I figured while I'm there, I would do some serious collecting. These fossils are glacier deposited Paleozoic specimens. Overall, I probably spent around 30 hours collecting. My biggest surprise was the trilobite imprint (picture 1) however, I was also pleasantly surprised by the number of crystalized/geode specimens. Here my my favorites from the trip.
  3. Check this out its unbelievable fish trapped in amethyst geode outer shell formed of insects
  4. Betsy5758

    Crinoid Calyx geodes

    I’ve had great success in finding multiple Crinoid calyx in a stream in St Louis county, Missouri. The quartz drusy in the geodes are beautiful. Never cut a Crinoid open - many of them already have a “viewing hole” to see the amazing sparkle inside!
  5. Help needed. Are these 'just' (agate) geodes or could these be fossils? My guess is that these may be crystallised fossil shells. Hope someone can shine a light on these.
  6. JordanPS

    Geodized crinoid possibly.

    I believe these are geodized crinoid. Found at my residence in Casey county, Kentucky. I know crinoid are very common and I believe these could all be. I posted on here a month or two ago and have learned a bit since then but I like extra opinions. Thank you
  7. Andre Pterosaur

    Éthiopien fossils in opal

    How strange is that some volcanic geode opal containing plant stem and some géode are completely different. i show you a chocolate opal geode it was find in 1994 at YTA Ridge , since the area is extinct . i was so lucky when I splited the geode it didn’t blows on me as it was full of opal . as you can see it shows a snake skin , and different figures. and you see some volcanic gas tubes replaced by translucent crystal Opal.
  8. bay

    Fossil/Gem?

    Going through a family member's old stuff and found this along with a few other dinosaur bones. They grew up in San Juan county Utah, so this was likely uncovered from that region, but I can't say with absolute certainty. I don't know if this is a fossil or just a geode. I myself have almost no experience in this area. Any help appreciated. Thank you!
  9. Tales From the Shale

    Graf Iowa Geode

    A sizeable mineral coming from the ever famous Graf roadcut that exposes the Elgin of the Maquoketa. Im thinking calcite, but im gonna be honest I haven't a clue.
  10. Jan Lester

    Calyx?

    Unfortunately I don’t have any provenance for this rock. I bought it years ago screwed to a piece of driftwood for my fish tank. When the driftwood had withered away to a twig, I was throwing it away, but noticed the fossil traces on the rock and kept it. Came across it a few weeks ago, and started messing with it. The fish store was local, and I would assume that this was created by a somewhat local person (in east TN), but I don’t know. The top of the “calyx” is translucent from the underside. Not the softest limestone I’ve found…I can see signs of bryozoans and brachiopods, but it’s hard to expose them.
  11. dino joe

    What is it

  12. TwoOaks

    Type of geodized fossil?

    This was found on one of my recent hikes in a creek bed in south-central Indiana (Monroe County). Geodes are very common finds as well as crinoid columnals and horn coral but this is the first find of this type. So I would think it is some type of geodized fossil but would like the experts' opinions. The first 3 photos (taken in natural sunlight) are "side" views and the 4th shows the "bottom". What do you guys think? Thanks in advance for your feedback.
  13. Poor Richard

    Little something...unsure?

    Hi all, I have this little object. Just wondering if it stands out to anyone. Thanks all.
  14. Seawitch7c2t

    Help identify this fossil

    Please help me to identify this fossil. I am new to this and came across this unique find. I gave Google lenses it and came up empty. Any help to this will be greatly appreciated. Thank you.
  15. Hi guys not been on much due to limited internet sorry however I had ordered a 'geode' from a seller in China cheapish it is around 1.9kg in weight and it arrived. It looked like something I had seen before and sure enough I found similar listed as a dinosaur egg on the famous auction site, just wondered everyone's thoughts on what it actually is lol? couple of pics attached, im sure it is neither an egg or a geode personally
  16. TwoOaks

    Geodized fossils?

    I'm a newbie to The Fossil Forum. I hike in the hilly areas of south-central Indiana (mainly Morgan, Monroe & Brown counties) whenever I get a chance and many times I end up walking the rocky creek beds looking for fossils & unusual rocks. These creeks are rich in geodes and there is a lot of shale & limestone. I believe that some of the unusual finds are geodized fossils. I have several that I'd like to share with the forum to get opinions from the experts. Attaching multiple photos (15 total: 3 groups of 5) of 4 different specimens with the first five photos showing a pair which have similarities. Thanks in advance for any input.
  17. hrguy54

    Sylvania brachs

    I was in Sylvania OH this weekend and among many other pieces, I found these. I finished prepping them as soon as I could. The first is a pyrite paraspirifer bownockeri.....it is perfect, not a blemish or chip. This one is a paraspirifer (I think) but different. About 2 inches across. Has a few flaws. Then there is another pyrite bownockeri, same size as the first one, nearly perfect but for a chipped "wing" and a hole. But the hole exposes that it is also a geode....containing calcite I believe. I've never seen or heard of a geodized pyrite fossil. Does anyone have one?
  18. Mr.Waffles

    A Very Tiny Mystery

    Hello wonderful fossil-people! If you and you're gang enjoy solving a groovy mystery, I have a post for you! This rock was found in an area of Northern Arizona that is very well know for producing lots and lots of bryozoan, brachiopod, and crinoid fossils, as well as crystals and geodes. The bit of rock in question was found in the side of what appears to be a broken geode. There is a triangular fragment of stone that does not match the material surrounding it. There is also a white discoloration encompassing the triangle that I've highlighted in green on one of the photos below. The colors in the 3rd photo are a little more true to what it looks like in real life. The geode is kind of a pink-ish color and the triangle "fossil" is a dark brown/reddish color. Given the abundance of marine fossils found in the same location, I wonder if this is also fossil. It just seems so out of place in this rock. I have oodles of bryozoan, brachiopod, & crinoids that I've found in the same location and I can share pictures of these, if it somehow helps So what do you think, fossil or random bit of stone? If it is a fossil give me your best guess as to what it might be... or even give me your worst guess. I'm not picky lol.
  19. Hey all! So I found what appeared to be a large geode, but upon further investigation turned out to have 5 or 6 fossils imprints! They seem to be seashells, scallop-like so possibly bivalves or brachiopods. I'll attach the pre-cleaning pictures below, then some more later after I rinse it and dry it off. My big question is: since this thing definitely has fossils (I can see at least two are half buried in the stone matrix) and is very likely a geode (it's heavy, has dimples, and I can see shiny facets in a few of the dimples), what should be next step be? I wanted to crack it open along the big crack down the side of it, thinking it would expose a crystal core. But I see these fossil imprints and I don't want to risk breaking them in cracking open the rock. So then, since I've only found some amateur fossil finds (mostly in riverbeds and on beaches), what should I do next? Seems to me the likely responses are crack it open and hope for the best (immediate gut-reaction of anxiety for fear of smashing the imprints too), or try to securely remove or break off the fossil fragments for a bigger cracking later, or to airblast portions of it, or to send it to a museum? I'm not certain and I definitely don't want to damage the thing in the meantime as the sheer age of it has made me quite fond of it. Any advice or recommendations would be welcome!!
  20. invictusamor

    The Faculty

    not a clue on this one, also from the land between the lakes in Indiana or Kentucky, magnet highly attracted, VERY heavy i cut a sample to send in and was a little surprised when saw..this..made me think of the movie, the faculty. lol
  21. Barjwfarm

    Please ID

    Hello. My grandmother found this probably in the 1920’s. I have conflicting information. Some say is dinosaur egg, some say sedimentary geode. I must admit it looks nothing like the other geodes she and i collected together but perhaps it is. Thought i could get your opinions on this. Probably found in central texas although she never said where she got it. Thank you for your help. I can take better photos if these not good enough. Just let me know. There are no crystals inside.
  22. smithT1

    Simple Geode or Geodized Fossil

    A very odd rock found by my wife in Arizona as a child. Exact locality unknown. Lots of textures. There are some pretty long crystals in the cavities. Could this be a geodized fossil? If so, what kind? It doesn’t really look like pictures of geodized cephalopods or crinoids. Thanks!
  23. bluepickup

    NM Pennsylvanian

    Hello all I haven't posted in a while. I haven't really been able to get out much for a while, but recently I did find a few (i believe) Composita lying on top the ground just off the road near Albuquerque. Some were complete and some eroded. They seem to be filled with crystals. One in the matrix. I also wanted to show you guys this other fossil in a matrix. A friend was showing me some rocks around her yard when she show me this one. At first I thought it was just a rock with some white inclusions. She liked the rock, but did not know there was a fossil in it.! We were pleasantly surprised.
  24. Hi all, I found this in a stream in Eureka, MO, USA. If anyone can help me with identifying, please do!
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