New Members Jack58 Posted April 2 New Members Share Posted April 2 Can someone recommend a repair for this specimen? It's a 16" Mioplosus I picked up early eighties in Ulrichs Gallery basement. I prepped it and attached it to a 3/4" plywood base but it cracked a few years back. The crack in the bottom left side isn't bad in the pic but it doesn't look great live. I have been trying to match up putty but can't seem to get it right. Any suggestions? Thanks. Mioplosus .pdf Link to comment Share on other sites More sharing options...
rocket Posted April 2 Share Posted April 2 @Ptychodus04 might help Link to comment Share on other sites More sharing options...
Fossildude19 Posted April 2 Share Posted April 2 You can file off some matrix from the sides, and add that to your putty/glue/epoxy to match the matrix. 3 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
rocket Posted April 2 Share Posted April 2 (edited) 1 hour ago, Fossildude19 said: You can file off some matrix from the sides, and add that to your putty/glue/epoxy to match the matrix. I never got the perfect color at the end..., what kind of glue do you use to mix? My results had been, that the crack gets another color.. in my next life I try to become an artists, this is one of the things I never learned and what I am really not talented in... Edited April 2 by rocket Link to comment Share on other sites More sharing options...
Fossildude19 Posted April 2 Share Posted April 2 1 hour ago, rocket said: I never got the perfect color at the end..., what kind of glue do you use to mix? My results had been, that the crack gets another color.. in my next life I try to become an artists, this is one of the things I never learned and what I am really not talented in... I have no personal experience with this, just what I have seen mentioned here. 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
jpc Posted April 2 Share Posted April 2 This does not work with cyanoacrylate as it will be darker than the matrix even if you use powdered matrix. I have done it with White River specimens and just made a water/powdered matrix putty to use on top of the actual glue. It is cosmetic, not strengthening. 2 1 Link to comment Share on other sites More sharing options...
rocket Posted April 3 Share Posted April 3 9 hours ago, jpc said: This does not work with cyanoacrylate as it will be darker than the matrix even if you use powdered matrix. I have done it with White River specimens and just made a water/powdered matrix putty to use on top of the actual glue. It is cosmetic, not strengthening. did you try a mix of dental plaster with matrixpowder? I tried with some White River specimens and some green river-slabs. I could work, it gets a nice color. But I am not able to reach the right one, I am really not talented as an artist.... 1 Link to comment Share on other sites More sharing options...
Ptychodus04 Posted April 3 Share Posted April 3 You can also use matrix powder in Apoxie Sculpt. It will provide the dual benefit of some additional structural integrity. Mix up the epoxy clay and then mix in as much powdered matrix as you can, like you're making bread. Then, use a dental pick to jam it as far into the crack as you can. Once you get it level with the surface of the slab, you can use a damp sponge to texture it. 2 1 1 Regards, Kris Global Paleo Services, LLC https://globalpaleoservices.com http://instagram.com/globalpaleoservices http://instagram.com/kris.howe Link to comment Share on other sites More sharing options...
rocket Posted April 4 Share Posted April 4 19 hours ago, Ptychodus04 said: You can also use matrix powder in Apoxie Sculpt. It will provide the dual benefit of some additional structural integrity. Mix up the epoxy clay and then mix in as much powdered matrix as you can, like you're making bread. Then, use a dental pick to jam it as far into the crack as you can. Once you get it level with the surface of the slab, you can use a damp sponge to texture it. wow, that a good idea. Is there a maximum volume ratio from apoxie to powder? I never tried, used Apoxie sculpt only without powder Link to comment Share on other sites More sharing options...
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