2 ms·

Looks like wood opal: https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Opal-44685.jpg/440px-Opal-44685.jpg https://upload.wikimedia.org/wikipedia/commo

by dvh 3y ago

Looks like wood opal: https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Opal-44685.jpg/440px-Opal-44685.jpg https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/Op...

AlotOfReading 3y ago
Most likely chert, a very common lithic material that can look very similar.