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Jurassicz

Cleaning fossils with soap and water

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Jurassicz

I clean my fossils with normal soap and water using a toothbrush. But this time i think i broke a piece of a really Nice crinoid stem. Either that or im just overthinking like i have done before. But the question is what matrix is Good for cleaning and whats not. The crinoid was not in any matrix. There was a mix of shale and limestone there. I know shale is not good to clean with water. I got some horn corals that are kinda muddy. No matrix but it wont easily get off the fossil. Well after the crinoid im not sure if i should use soap and water. What other things can i use? Anyways heres the crinoid. And how can u know a old damage from erosion or a fresh damage? Sorry for all the questions and long text :)20200921_133452.thumb.jpg.cbdf2bc3a67ef35b6dfad898d51a4ea1.jpg

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jpc

I also wonder if you really need to use soap.  I use two basins, (empty one liter yogurt containers) one for washing, and one for rinsing.  The wash water will get muddy very quickly and if you don't rinse you will get a wee layer of mud on your fossils.  Then I discard both on the garden, never down the sink cuz they are full of rocks and mud.   

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Jurassicz
On 9/21/2020 at 2:02 PM, Fossildude19 said:

I never use soap on my fossils. I usually use warm water, and an old, soft toothbrush. 

I do this in a basin, rather than a sink, so that if any pieces break off, I can find them and reattach them.

 

For stubborn mud that adheres, a bit of hydrogen peroxide usually will remove it. Sometimes I will soak it in a small bowl of HP

Just make sure to rinse the fossil with water thoroughly afterwards. 

Then use warm water and a soft brush. 

 

It is difficult to narrow down what kind of matrices can be cleaned. Most can be cleaned up one way or another.

I usually test a lesser specimen to see what different things will do for it, before using something on a good specimen. 

 

I do it with a toothbrush and spray some water. Under a ikea lamp is that okay? Heard they can discolor when the sun dries. Them can a rooms lamp discolor them too?

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Fossildude19

I think sun discoloration is more for bones and teeth. And that is after years of exposure. 

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