Apple Valley Jasper Slab! Fossil Stromatolite Slab! Polished and some sort of unidentified

and some sort of unidentified mineral that can run through it that is similar to that seen in Big Diggins Agate

and usually under bright light

This is a gorgeous piece with an untold ancient (millions of years old) story

it will just appear black

This one looks like it could also make a great aquarium chunk when seen from above

Apple Valley Jasper Slab! Fossil Stromatolite Slab! Polished and some sort of unidentifiedThis slab does have some fractures and may need treated and stabilized to cab or polish. Apple 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,