Mykkhul97 Posted March 2, 2019 Share Posted March 2, 2019 I'm pretty sure that this is pyrite/copper ore or "peacock ore" but not exactly. It is very dense and heavy. About 5 inches by 2 wide. 1 Link to comment Share on other sites More sharing options...
Herb Posted March 2, 2019 Share Posted March 2, 2019 looks like it, nice piece "Absence of evidence is not evidence of absence"_ Carl Sagen No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go. " I think, therefore I collect fossils." _ Me "When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes "can't we all just get along?" Jack Nicholson from Mars Attacks Link to comment Share on other sites More sharing options...
caldigger Posted March 2, 2019 Share Posted March 2, 2019 Ooo, lots of purple! @Monica 1 Link to comment Share on other sites More sharing options...
Mykkhul97 Posted March 2, 2019 Author Share Posted March 2, 2019 39 minutes ago, caldigger said: Ooo, lots of purple! @Monica Ikr. I am amazed at how much other color there is besides the typical gold! It is mainly purple and blue. Very heavy piece! Link to comment Share on other sites More sharing options...
Ludwigia Posted March 2, 2019 Share Posted March 2, 2019 Looks like bornite to me. Knowing the provenance would solve the riddle, otherwise you'll need a chemical analysis if you wish to have certainty. 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Bobby Rico Posted March 2, 2019 Share Posted March 2, 2019 I agree with it looks like bornite more commonly known by its nickname peacock ore or peacock copper. Link to comment Share on other sites More sharing options...
Scylla Posted March 2, 2019 Share Posted March 2, 2019 Both bornite and chalcopyrite look like that. Most "peacock ore" is acid washed chalcopyrite. Bornite is Cu5FeS4 and chalcopyrite is CuFeS2. My friends that actually need to tell the difference do it by comparing the color and natural tarnishing of a freshly exposed fractured surface. 3 Link to comment Share on other sites More sharing options...
Monica Posted March 2, 2019 Share Posted March 2, 2019 11 hours ago, caldigger said: Ooo, lots of purple! @Monica Thanks for tagging me, Doren - I do indeed love all things purple (and I know I'm not the only one ) Purple is also Viola's favourite colour - I'll have to show her this thread tomorrow when she returns from her "Winter Wellness" camp with her Brownies group Link to comment Share on other sites More sharing options...
caldigger Posted March 2, 2019 Share Posted March 2, 2019 What?! Viola likes purple, I would never have guessed. Link to comment Share on other sites More sharing options...
Misha Posted March 2, 2019 Share Posted March 2, 2019 Maybe chalcopyrite? Link to comment Share on other sites More sharing options...
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