Apple Valley Jasper Slab! Fossil Stromatolite Slab! Picasso Marble Sonoran Dendritic Rhyolite is a

Sonoran Dendritic Rhyolite is a Rhyolite from Mexico that often features some gorgeous aztec like colors and patterns

and is of course excellent for knapping as well

Caldera takes an excellent polish and is an exciting material to work with

The color generally comes from Magnetite that was present in the lava flow

with a gorgeous color scheme

Apple Valley Jasper Slab! Fossil Stromatolite Slab! Picasso Marble Sonoran Dendritic Rhyolite is aApple Valley Jasper is collected from the same location and the popular Apple Valley Agate (Sahara Desert of Morocco), but it is actually a fossil stromatolite! Stromatolites are a form of ocean colonizing bacterial called cyanobacteria that get trapped in sediment layers! Stromatolites are one of the earliest known fossils, and in some locations around the world, they are still being formed! With Apple Valley Jasper, each layer is a unique story, as