Birdseye Rhyolite Slab Lapidary Stone Slab Powell Butte Plume Agate and these mass mortality fossils

and these mass mortality fossils are often attributed to sudden environmental changes that occurred in ancient lake systems

I'm unsure of where this came from

Weight: Approx: 10

Some may even be Opal filled

but they appear to be mini luckystrike thundereggs

Birdseye Rhyolite Slab Lapidary Stone Slab Powell Butte Plume Agate and these mass mortality fossilsBirdseye 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 1.