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H Menninga posted an image in the group Education and Outreach from the myFOSSIL app 3 years, 8 months ago
3 years, 8 months ago3 years, 8 months agoHi, we found this stone/rock in Germany, in the woods around the river and would love to know if someone knows what kind of stone/rock it is. Thank you!!
Hi, @h-menninga! I think this is chert.
Thank you!!!
Anything special about chert we should know?