Idirss Posted October 9, 2020 Share Posted October 9, 2020 Link to comment Share on other sites More sharing options...
GB_Amateur Posted October 10, 2020 Share Posted October 10, 2020 The more you can report about them (where it was found, what was done to it, whether it attracts a magnet, and more) the better chance you'll have getting an answer. 5 Link to comment Share on other sites More sharing options...
GotAU? Posted November 30, 2020 Share Posted November 30, 2020 On 10/10/2020 at 11:20 AM, GB_Amateur said: The more you can report about them (where it was found, what was done to it, whether it attracts a magnet, and more) the better chance you'll have getting an answer. I don’t know, looks like a big piece of coprolite to me.. just kidding! all of the above plus streak test it on unglazed porcelain or the backside of a toilet tank. If its reddish brown streak, its probably hematite (Iron oxide). 1 Link to comment Share on other sites More sharing options...
MSC Posted December 3, 2020 Share Posted December 3, 2020 I agree, Magnetite or Hematite. Check to see if magnetic, more so if Magnetite. Link to comment Share on other sites More sharing options...
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