Birdseye Rhyolite Slab! Lapidary Stone Slab! Cutting Rough Flatrate They first appeared during the

They first appeared during the Silurian Period (435 million to 410 million years ago) and were abundant and widespread in the seas of the Jurassic and Cretaceous periods (175 million to 65 million years ago)

along with protruding from the surface for a pretty neat effect

So far with our cutting

and while a photo may look just like the rock on my end

as limbs and other organic materials are sometimes found

Birdseye Rhyolite Slab! Lapidary Stone Slab! Cutting Rough Flatrate They first appeared during theBirdseye 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! Measurements (inches longest approx): 4. 8 x 3.