Polished fossil stromatolite slab from Bolivia. BST108 polished rock Polished on one side with

Polished on one side with a rough natural back and a cut base to sit on

Dimensions at widest points approximately 175 mm x 75 mm x 9 mm thick

Tumble polished Beryl

It weighs 412 grams

Polished fossil stromatolite slab from Bolivia. BST108 polished rock Polished on one side withBST108 Fossil stromatolite slab, polished on one side. This museum quality specimen has been cut at right angles to the bedding and displays the columnar structure beautifully ! From the Miraflores Formation, El Molino, Potos, Bolivia, South America. Age approx. 70 million years (Cretaceous) Dimensions at widest points approximately 290 mm x 270 mm x 10 mm Weighs 1,283 grams