4 inch (2 lb.) Dendrite - Picture Stone Utah Picasso The preserved skeletal spicules are

The preserved skeletal spicules are not connected in most fossilized Cambrian sponges that are found

first appeared in our oceans about 521 million years ago before going extinct around 240 million years ago

Very Rare and Excellently preserved fossilized Spicules from a Choia sponge found in the Wheeler shale Utah West Desert

Septarian Nodules or Geodes formed during the Cretaceous Period 66-146 million years ago

4 inch (2 lb.) Dendrite - Picture Stone Utah Picasso The preserved skeletal spicules are*One of Nature's Paintings! *Often mistaken for fossilized plant matter, this strikingly colorful and unique branching pattern is what remains of a water solution of manganese and or iron seeping through microscopic cracks in, most often, sedimentary, stratified rocks. *Dendrite Picture Stones are found in a wide variety of rocks and minerals all over the world. These Rocks display Patterns looking like different Landscapes, Swirls and or Mountain