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First off I am new to this forum and I greatly appreciate any information and help this community has to offer. I'm normally more of a Paleo collector/diver but fate landed this in my lap and now i'm stumped. I have had it verified to be Copal by a gemologist. It is 32" long 24" wide and 10" at the thickest point. It weights 61 Kilograms. It appears to have formed from a single tree as its color is uniform through out the piece. I discovered it on a Beach in South Carolina a few days after Hurricane Irma blew through. I have tried museums for help and they just say "wow that is big" and want it donated for free, not much help there. Anyone else I have talked to tells me it's so rare that they cannot even guess at a value. Ebay is no help since all copal on there are small pieces sold for jewelry. The largest piece I have found for sale is 3 pounds... Not much to compare to. I would REALLY appreciate any help in determining even a ballpark value and searching for a museum interested in holding it as a loaned piece. I am also curious about taking it to the Tucson Gem show, for display or sale. Thank you.
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Very Unusual Megalodon In Phosphate Matrix Specimen - I Need Some Advice
Fossil_Rocks posted a topic in Fossil Preparation
This tooth in matrix has been sitting on a local diver's desk for about three years, under a dust cover, and has remained very stable. We think the matrix is essentially a phosphatic nodule. It's basically a piece of the ACE River Basin river bottom, and obviously it's an amazing specimen. I wanted to prep. it using a hardener, but I've never prepped any fossils before, and wasn't sure which product that I should use. I've heard of Butvar, of course and know people use it on bone, but this isn't bone, it's more mineral. Should I dip, or brush? It would seem a lot cheaper to brush it on. I'd also like something that would be water proof, afterwards. Any thoughts or ideas would be greatly appreciated. I'd also like some direction on a reputable seller of the product. Any folks here in that biz? If you are, then I'd rather throw the biz to a member, but I will need the product over nighted to me. I want to do the job myself, and I won't be doing a lot of prep. work, so I don't need a ton of the stuff, just enough for this one piece, which measure's about 10" in length. Here's a list of products that are advertised on a site called PaleoPortal Fossil Preparation. - http://preparation.paleo.amnh.org/47/adhesives-and-consolidants Solution adhesives which set by evaporation of a solvent and include:Paraloid B-72 (ethyl methacrylate co-polymer, formerly called Acryloid) Butvar B-76 (polyvinyl butyral, or PVB) Butvar B-98 (polyvinyl butyral or PVB) McGean B-15 (polyvinyl acetate or PVAC, formerly called Vinac B-15) “White glue” dispersions and emulsions (e.g. Elmers, Rhoplex, Lascaux) - Not Waterproof, so not my choice Thanks in Advance, guys ...- 22 replies
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