-
Kevin Quintee posted an image in the group What is it? from the myFOSSIL app 2 years, 7 months ago
2 years, 7 months ago2 years, 7 months agoThis looks like a rock but it feels almost like very hard plastic. Just curious if any knows what it is ?
chert
I have a bunch chert, and this one is heavier and a touch smoother