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and a lighter reaction in the sides and base
These arches are originally created by drilling a hole through a chunk of sandstone and sandblasting the material into a smoothed arch
It appears aragonite formed over calcite points which then partially dissipated
White inclusions create a crazed (crackled) pattern that radiates out from the center of each face
Approx weight: 32g
Pseudo-stromatolite, extra large "Badonkadonk" Stalactitic chalcedony and a lighter reaction inLocale: Morocco Approx dimensions: 7 x 4. 75 x 4" Approx weight: 6 lbs 4 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,
