Pseudo-stromatolite, extra large Inner Mongolian quartz so they appear dark gray

so they appear dark gray until you look closer and see swirls of red and lime green

with each set cut from adjacent material so that pieces match

Sandstone with distinct layering like this is often called ‘picture stone’ because the layers can resemble a southwestern landscape

This small specimen has a nice very light pink coloration and good translucency

and you can find examples of several characteristics typical of the locale

Pseudo-stromatolite, extra large Inner Mongolian quartz so they appear dark grayLocale: Morocco Approx dimensions: 5. 5 x 5 x 4" Approx weight: 6 lbs 11 oz A stromatolite is a sedimentary fossil structure made by prehistoric bacteria colonies, typically cyanobacteria. Stromatolites in fact are still living and forming in some parts of our world today, including Australia, and are among the earliest forms of lifeand fossilson our Earth. The fossils form in shallow water conditions of lakes or salt water shores. First,