Tom12 Posted December 5, 2020 Share Posted December 5, 2020 Found on hornsea beach, UK Not magnetic Link to comment Share on other sites More sharing options...
Glenn in CO Posted December 5, 2020 Share Posted December 5, 2020 Looks like pyrite to me. If it seems brittle using a knife when you scrape the outside it's probably pyrite. Link to comment Share on other sites More sharing options...
Tom12 Posted December 6, 2020 Author Share Posted December 6, 2020 Thanks, I've just tried this and it seems very solid, not brittle. Link to comment Share on other sites More sharing options...
Jeff McClendon Posted December 6, 2020 Share Posted December 6, 2020 Marcasite. 4 Link to comment Share on other sites More sharing options...
Valens Legacy Posted December 6, 2020 Share Posted December 6, 2020 1 hour ago, Jeff McClendon said: Marcasite. Jeff I believe that you are correct on this, when I looked it up and seen a picture it is very close to the picture I looked at. Good work. Link to comment Share on other sites More sharing options...
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