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So last week I went on my 2nd collecting trip to Yaxley. Was a bit disappointed. Didn’t find much. Just a clam, and this ammonite and gastropods The ammonite and gastropods are very flakey. If you barely touch them, some of the white material comes away What is the best way to stabilise them?

Hello everyone, I have a question regarding stabilising sandstone to keep it from crumbling. Last year I found and extracted a dinosaur footprint from a block on the beach at Whitby, Yorkshire UK. The footprint is of an Aalenian age therapod from approximately 170 million years ago. The print itself measures 20cm from the base to the tip of the centre claw mark. I am hoping to get the block it is in cut down into a slab in order to frame it but now that it is dry the sandstone is very loose and crumbly. I am looking for something that will add strength to the stone and prevent crumbling without significantly changing the colour of the stone or adding a shiny finish as I would like the finished piece to remain as close as possible to how it was, just stronger. I was hoping somebody would have an idea what would be best to soak the block with in order to keep it from falling apart. Any and all suggestions are greatly appreciated. Thank you, Benton Walters

Hi All, I was given this fish as a present for Xmas. It is labelled as: Syngatus sp, Miocene, Nevada USA The matrix seems very soft and fragile. How would I stabilise it and give it more strength. Thanks