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  1. Pixpaleosky

    Repair green river slab

    I broke a large green river slab with fishes. Fortunately there are no small pieces. Which glue do you suggest to make it one piece again ?
  2. With the Keicho now on its way to us, and approved by you, the next item in the lady's wish list is a Megalodon tooth. I have been scrupolously following the discussions here, and beyond the identification of blatant forgeries and manipulations, there seems to be a variety of opinions as to the amount of repair/reconstruction that could be regarded as acceptable, particularly as regards the root. My personal preference is, I would focus attention on the integrity of the blade (enamel, serrated edges), then on size and then on color, and if these aspects are OK I would be be willing to accept a fair amount of root erosion or repair (but not total falsification) - although I'm not completely clear as to whether erosion is preferable to repair, or the other way round. Of course a perfect. very large blade with intact roor would be preferable, but such a combination would push the price beyond my reach. Plase take a look at this West Java thing. It is rather large (13.5cm) and I find it appealing, even though the root looks weird even to me. What would you suggest? Worth pursuing (within reasonable price limits) or to be ignored?
  3. Hello,there I Spinosaurus tooth that has no repair or restor as mentioned in the introduction, with a crack. After receiving it, I found that the crack was continuous and it seemed entirely possible that it was broken. Later, I used acetone to wipe the cracks, and the cracks showed white dentin. After thorough wiping, the teeth did not break (acetone removed the glue). I want to know if this tooth has repaired crack? How can a complete crack appear without breaking? Thank you for any viewpoints.
  4. I'm taking a feather from @Nimravis and starting a thread about repairing Mazon Creek fossils. I use the freeze/thaw method, but I do tap them lightly once in a while. That usually isn't what causes concretions to fall apart. Water creeping into the rock finds all the weak spots and sometimes a concretion basically shatters. Some localities are have hardier concretion than others. I have found that Pit 2, 3, and 4 have great preservation, but Shadow Lakes isn't referred to as Shatter Lakes for nothing. Super glue is nice, but I generally use Elmer's Glue as you can easily dissolve the glue in water and try again. Here is the first installment... a Macroneuropteris scheuchzeri from Pit 3. Collected last year during the construction on IL 129, but opened this year via freeze/thaw. I used Elmer's Glue on this one. Cheers, Rich
  5. Dear Forum, I just joined because I need your help and suggestions how to fix a crack in a fossil bone. The bones were glued together with some sort of Epoxy glue but you still see the crack. Is there any way to "beautify" the break so that you can't see the crack anymore, or at least not as easily? Please see attached file for the crack. Maybe fill up the crack with Epoxy too? Thanks to you all :)
  6. I wish this was a post to celebrate an incredible accomplishment but instead I am extremely scared that through my potential carelessness, the likely greatest find of my life may be forever changed. I just a few days ago on 6/6 found this stingray fossil at American Fossil Quarry in Wyoming just and was able to keep it because it was at that location. I have been on a road trip and have been storing it in a plastic tote bin with bubble wrap and then fish fossils underneath wrapped in paper towel. I took the lid off for a prolonged period to air out the bin and I think this was a grave mistake and let in humidity. The paper towel was all heavily damp and many of the fish fossils had very obvious signs of mold/mildew growth and discoloration. And now I fear the stingray may show some as well. I desperately need advice on repair and preservation asap. I really need help trying to fix this mess as I’m still on the road for another week. It may not be super obvious in the images but it is the areas that appear a grayish color in contrast to the orangeish brown. The last image is the closest picture I took on the day it was found to show any potential change. This was a lifetime find and I will be crushed if I’ve caused irreparable damage. Please help. Any advice in repair and preservation is greatly appreciated. And I’m sorry to all those that see this and are disappointed in the poor handling of this rare piece, I’m more than disappointed in myself if things are what they seem. And if by a miracle the stingray is perfectly fine then any advice on the fish fossils would be great.
  7. Is there a tutorial or a video showing how to repair Megalodon tooth enamel? Is anyone aware of a repair service?
  8. Tales From the Shale

    Tooth Split Repair

    I've got a small horse tooth from the Peace River near Wachula. It's got a big split down the middle and seems to be only getting worse. I submerged it in an unknown higher concentrate of paraloid-b72. Do you guys reckon that will be enough to halt the split? It was a deep split nearly separating it in half. I submerged the tooth for a few minutes in solution to completely saturate the tooth.
  9. Our mammoth tusk fell off its pedestal and broke apart. It’s a complex break, so I don’t feel confident trying to do it myself. Is there a reputable fossil repair shop I can hire to fix it?
  10. Looking to purchase this pair of ammonites from Madagascar but was wondering if they’re really 100% natural or potentially repaired from pieces of different ammonites. I can’t really tell but the back looked questionable!
  11. Good morning all, unfortunately yesterday my Carcharodontosaurus tooth broke in half. It broke when I put the tooth in it´s Riker box and the glass pressed on the tooth. I have not been able to sleep all night. Please, can you tell me which product to use to fill the fracture? See attached photos.
  12. Hi everyone! I just got a 20" mosasaur (Prognathodon?) jaw piece in the mail, and unfortunately it was split into 3 pieces. Fortunately, the breaks are fairly clean, with a few small fragments broken off, and the pieces fit right back together. If anyone has experience with this sort of thing, what kind of glue do you think will work the best, and what application method would you use?
  13. I saw this tooth for sale and it looks like it has restoration on the yellow batches, however seller strongly believes there are no repairs nor restorations, want opinions on whether you think it has restoration.
  14. Tales From the Shale

    Actinoceras Scuff Repair

    I was prepping this Actinoceras out of limestone, and accidentally must have hit the phragmocone a few times too many when removing the matrix. Is there any way to try to minimize or fix the white scuff marks? I used a PA6-GF33 Dremel Engraver. It wasn't touchless( I know I probably should acquire air tools) so I scratched the specimen. It was almost entirely covered save for a tiny sliver. I put alot of hours into it and would like it to look the best I can. Any advice helps. Its from the Carter's Limestone from Nashville. Approx 438 mya Ordovician
  15. Kurvinosaurus

    Any repair or restoration?

    Hello! I was just wondering if this mosasaur tooth looks like it had any repair or restoration done to it. The tip is darker and in some angles it maybe looks repaired. But then it also maybe just looks like different degrees of enamel wear. Thanks for your help! Kevin
  16. Hi! I'm looking for advice. I found this fossil yesterday and like so many others I find it's on an unstable piece and has a major crack through it. I'd hate to coat it with anything as I prefer to keep things natural. Yet I'm also worried that it might just fall apart on its own or from handling. What's my best course of action? Any advice/help is appreciated.
  17. JM260676

    Megalodon repair

    I need some help. So I have a megalodon tooth that I accidentally dropped and the enamel started flaking off. I had applied some super glue and when I added some, it dripped down. I tried washing it off but it left a white crust and I was thinking about using some acetone but I think it might damage the enamel itself. What can I do.
  18. This 2" claw arrived in the mail broken, unfortunately. The seller has offered to either refund me in full or give me a discount if I decide to repair it myself. In this case, what's my best option here? Regarding repair, is there a certain type of paleobond that would work best? I'm worried about the interior because it's basically that Moroccan sandy stuff and it's very unstable. I do currently have PB750 on hand.
  19. The image I attached is a Drotops armatus specimen I just acquired. I recently started collecting trilobites again and eventually would like to get into prepping. The Drotops has all of its spines on that side of it's shell broken off into the still negative of the matrix. Fragments of the body of the shell and part of the head. What would be the best way to repair it to prepare for prep. I don't plan on working on this for a while, until I get more practice in.
  20. Hi i just came aross this claw from kem kem basin . seller claimed to be no repair/restoration Look pretty nice to me . what do you think ? any repair or restoration ? any red frag ? thank in advance ! Gun
  21. Sjfriend

    Latham Shale Slab Repair

    Found on my last trip to the Marble Mountains Latham Shale. I found this when just a little bit was sticking out of the hillside surface. Took me most of a day to extract. As you can see, it didn't as they say "come quietly" I used a couple little tubes of super glue to hold it together as much as possible before extracting it but it still came out in more then a few pieces I spent about a week getting it back together as much as possible (I mean really, who doesn't have some bolts and screws left over when putting their car back together ) I have a lot more advanced prep to look forward to (scribe and abrasion). That will be much further down the road as I'm just getting that set up going and will be a long time before I'm going to be comfortable enough to tackle something like this. Mostly what is found are a few scattered cephalons and a rare complete trilobite once in a while. This slab happens to contain 31 cephalons (from partials, partially buried and complete) and 1 partially buried complete. Plus 1 I have no idea? When I get better photos of that I'll post for ID help. So, the photos follow the order from in-situ find to finished. I finished it as 2 large parts instead of 1 bigger piece. A little extra item in the upper right corner.... my Secret Santa gift waiting for me to open on Christmas Eve Here is the 1 partially buried complete. I think it's an upside down Olenellus clarki This was the most repair by far I've ever had to do. Now, in the distant future I'll start the harder prep to finish it off
  22. Hi, I received this massive Spinosaurus tooth from USA. (I live in Thailand) As I can see from my eyes, I'm not sure which part was repaired (or faked). Seller told it only has been repaired near the crown. Any thought? Thanks a millions!!!
  23. I was curious if this tooth has been repaired or anything weird. Seems like it might have been broken and glued back together. I'm a bit curious about the shiney look and dark speckles on it. Does it seem like they put a coating on it and the speckles are matrix or miscellaneous 'dirt'? For the price I am offered it at I know it's not going to be perfect. Just wanted to see if anyone saw any red flags or weirdness.
  24. Barrelcactusaddict

    Specimen Repair?

    I was wondering if someone could advise me on whether or not I should repair this piece of Chiapas amber I recently acquired (it's a clean break with only a few small slivers missing; the specimen is exceptionally clear, and has no internal fractures); it was damaged during shipping, and I've been debating whether or not to repair it. What effect might a repair have on it's value, and would it be more acceptable to keep it as two separate pieces? I know the repair of fossil specimens is a generally acceptable practice, but I'm uncertain if this applies to amber (I'm guessing not, as amber considered more of a gem material). I occasionally repair amber damaged during the cleaning and lapidary process using epoxy resin, but I was reluctant to do this to such a decently-sized and costly specimen of Chiapas material without having sought further advice. Thank you!
  25. I have a few pleistocene bones and large shell fragments that are fractured, and I'm unclear on the best way to repair them. I've read many topics on the forum about the importance of consolidation and materials to use, and I have materials on order, so I should be able to get started soon. But I'm a little unclear on the process if the bone is in two or three pieces. If you have a completely broken bone, should you consolidate the broken pieces separately first (i.e. in an acetone/butvar mix), then glue them back together with something like CA glue? Or would the consolidant make it harder to piece and glue them back together after they dry? Thank you, Brandy
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