Hello, I'm thinking of buying some varnish to protect and preserve some fossils - not all fossils need a coat of varnish. I have a Icthyosaur vertebra which is surrounded/preserved in iron pyrites. I have heard that Iron pyrite fossils should be coated in a clear varnish to protect and preserve them.
Should I get some varnish from here; http://www.kenmannion.co.uk/fossilglues.htm
Or is it best to leave the fossil alone to do it's own thing?
The fossil isn't showing signs of rapid decay but I have had other pyrite fossils before which were cleaned but not coated and they have decayed unfortunately.
I see that it has been mentioned here that it isn't perhaps a good idea to seal in a fossil but left to the open air it will decay anyway - so what do you guys reccomend, what have you found works best?
Take lots of pictures of it then do your best to preserve it. I don't really think the arguement about 'damaging the scientific value' of a fossil generally applies to pyrite ones.
Thanks guys, has anyone checked the link I included? - what do you think of that varnish, - I have read that it is not a good idea to varnich bone but the fossil that this is about is a vertebra which isn't preserved in pyrite but rather surounded by pyrite - the bon itself isn't pyrite but it is amoungst pyrite. - Therefor I was thinking of just coating the pyrite areas. - What do you think about that?
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