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

the hole in the front was packed with dirt

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

with each set cut from adjacent material so that pieces match

Specimens including this one feature lovely snowy white spheres of radial growth quartz

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,