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Found 22 results

  1. Here’s the before and after with the nautiloid that realized was crystallized inside, so I decided to slice it. The polishing process made a difference in bringing out the features inside. I’m not sure if this came from the Fort Worth formation (I think it is) or Grayson. Johnson County TX. Cymatoceras sp. outdoor pics are before polishing (I’m not sure if it shows up in order of my upload, doesn’t look like it initially).
  2. Hi all! Havent posted in awhile but have a massive number of fossils from trip my brother and I took to Colorado, Wyoming and Utah late summer. All still in boxes and more about that later, but, found this interesting "polished" piece on Myrtle beach this month. First thought was echinoid plate, but pretty thick for its size. the other side is slightly concave, has a central "opening" which enlarges but doesn't penetrate through. Marks are millimeters, so pretty tiny. Any and all thoughts appreciated! Bone
  3. This is a strange piece. It looks somewhat like teeth. It has the appearance of sea anemones with the columnar bodies. I acquired it from a friend in Florida that digs in the Sarasota county area. I'm clueless on this one. It is heavy and dense. Is it simply lava?
  4. There are certain types of fossils, that I like to see polished. Petrified Wood, Ammonites, etc. There are certain types of fossils, that I do not like to see polished. Shark Teeth, Bones, etc. What are your preferences; about Polished, vs As Found?
  5. 5" x 7" x 9/16" Thick Slab, polished on both sides:
  6. Found a nice hot spot for amber:)
  7. I had just recently finished polishing a piece of petrified wood I found, and I just read a topic that included a polished pyritized Yorkshire cannonball ammonite, which got me thinking about all the types of fossils that can be polished. I did a search on the forum for a "Show us your" polished fossils thread and couldn't find any so decided to start one as I'm interested to see the diversity of fossils that have been polished. So... Show us your Polished Fossils!
  8. expatspain

    Chance to buy 5 Orthoceras

    An acquaintance has offered these 5. Worth the money or are there better for same outlay? His photos of 3 elongated and 2 egg shaped.
  9. Callahan

    D621B661-14FF-4960-BF86-C6AEE630DEFF

    From the album: 39 years exploring Texas

    Hematite club and used as paint rock also. Favorite tool found. Hematite very rare around here.
  10. Mtwombly

    Gastrolith? Artifact?

    Hello all, I can’t figure this one out! I was collecting fossils from a highly yielding site in Peace River. In this little section of gravel that I reached, it was almost entirely fossilized bone from dugong and whale and turtle. Nestled in the center of this pile of fossils, I uncovered this stone and was immediately taken aback. I have been rock and fossil hunting my entire life, and extensively in this state and this river, and I have never seen anything like this. I have an enormous and worldly collection of rocks and fossils, and I have never seen something this smooth naturally. It is the smoothest stone I have ever seen. It is far too smooth to be riverworn. When I lived in TN I would find rocks that had been remarkably smoothed by the passing river water, but that is not the case with this rock, I am confident. It is soft and heavy and slippery. If I had seen it in a house I would have thought it had been professionally polished. It is not porous at all, it is not smoothed bone or a phosphate nodule. It is significantly heavy and deeply black, almost blue. It looks as though the color beneath the black exterior is almost a light greenish. Even the area where the green is showing through is completely soft. In the flash of my phone light the entire stone almost looks bluish green. The closest explanation I have reached is that it is either a burnishing stone used by Native Americans (I have found artifacts and bone tools nearby this site, so perhaps they smoothed the stone out while using it for processing hides, etc) or it is some sort of fossilized gizzard stone or gastrolith. I know this is unlikely, as we have no dinosaur fossils here, but I read somewhere that extinct whale remains have produced such fossils before, as they apparently utilized gizzard stones as well. If anyone could help me out, I would so appreciate it! Also I apologize for the photo quality and scale, I was trying to capture how different it is than bone and its unique colors.
  11. i received few minerals(sometimes sliced and polished) from a old collection mixed with fossils,mostly without name and location some are very easy to ID (I think),but i know nothing about minerals,if somebody could help?It would be very happy,this one seems to be for me kind of coprolithe,perhaps??? regards
  12. Praefectus

    REMPC-C0039

    From the album: Prae's Collection (REMPC)

    REMPC-C0039 Aioloceras besairiei (polished) Cretaceous, Albian Boeny Region, Southwest of Mahajunga, Madagascar
  13. Brianp

    petosky stones

    nothing too serious. been collection Petoskey stones for years. decided to get a tumbler and polish a few.- here is just a small batch we completed:
  14. Hi anyone tell me how to tell the difference between a Desmoceras and Cleoniceras I have googled it checked all my books but come up with nothing Thanks Andy
  15. Top Trilo

    Questions about Petrified Wood

    I found all these pieces in arapahoe county Colorado. I’m not sure where I found #2 just in Colorado. I polished a couple of them, 10-16. Is it possible to determine type of wood or approximate age?
  16. I have an item that came to me as a gift, without provenance or description. What I know is that it was purchased in a small antique shop in North Carolina about ten years ago i think it *might* be fossil ivory, but can’t be certain. It looks like some photos I’ve seen of smaller mammoth/mastodon tusks, but it’s been so polished that the original surface is all but obliterated. the piece is 12” long, ~5” diameter at its widest and weighs about 8 pounds any ideas or pointers would be most welcome!
  17. I would like to buy more ammonites. I like ammonites without excessive alteration usually. Most of the white ammonites I see for sale are described as "polished" like the ones in the picture below. Are these just cleaned up, or is the shell actually damaged or altered in some way?
  18. Ksnook1

    Ammonite and ???

    Very nicely polished fossil from my parents estate. Ammonite on one end, but I don't know what the other end of the stone contains.
  19. olorotitan

    Help with Ammonite ID

    Hi, I bought this ammonite at least 10 years ago and have completely forgot about it since then. It is rough on one side and cut and polished along the mid-line of the shell revealing the interior. I'm certain it is an ammonoid (vs a nautiloid) due to S shaped suture lines and outward curving septa. What I can't figure out is genus and locality of this ammonite. I think it's fair to say this is a mass produced ammonite from madagascar or morocco but I can't seem to find much on the marker currently to draw an association. I've attached some pics.. thanks for your help!
  20. Yoda

    Ammonite ID

    I was given this Ammonite as a gift. It came with no info as to where it was collected etc. Any ideas?
  21. LiamL

    Juvenile Ichthyosaur Hind Paddle

    From the album: Yorkshire Ichthyosaur Fossils

    A small but beautiful polished paddle from Port Mulgrave in Yorkshire.
  22. Topaz

    Chambered Nautilus

    From the album: Not Mine

    Nautilus pompilius, found somewhere in N. America, possibly central Georgia or coastal Virginia, approximately 7 inches long
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