Mystery Ore

I'm not a geologist.....What could these specimens be? Total weight; 438.6g
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  • I've found similar looking nodules that have similar coloration and are relatively heavy.  mine show glitters when busted open.  i think it is lemonite, basically weathered pyrite.

  • My best guess..iron ore. That split piece is interesting encrustment.

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  • Maybe chert??

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