Absolutely no idea. Has been at my work for at least 30 years. Was told it possibly has to do with patching rubber.3yr ⋅ dvn11129 ⋅ r/whatisthisthing
What kind of gem could this be? Found in Oregon near the beach. Shaped like it's made if lots of little blooms.4yr ⋅ dvn11129 ⋅ r/whatsthisrock
Found in western Montana creek. Very hard,not translucent or magnetic.4yr ⋅ dvn11129 ⋅ r/whatsthisrock
