Old Stock Birdseye Rhyolite Rough Chunk! Coprolite This is a fine collectors

This is a fine collectors piece

These are smaller thundereggs

being from a formation that dates back to the Cretaceous period

It can take an excellent polish

There are some truly stunning cutters and trimmers in this box

Old Stock Birdseye Rhyolite Rough Chunk! Coprolite This is a fine collectorsBirdseye Rhyolite is a volcanic rhyolite that forms with the gorgeous colorations and stunning orbicular eye like patterns! It was mined in Mexico, and according to our sources, the original deposits have long since been mined out! Birdseye Rhyolite tends to be pretty solid and takes an excellent polish! The majority of LapidaryCentral Birdseye Rhyolite is from the original old stock deposits and miners! Weight: Approx 1 lbs 2. 3 oz Measurements